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HomeMy WebLinkAboutWPO202300003 VSMP - SWPPP 2023-04-06COUNTY OF ALBEMARLE i ofn�i Department of Community Development 401 Nlclntire Road, North Wing Charlottesville, Virginia 22902-4596 Tel. (434) 296-5832 • Fax (434) 972-4126 pin Stormwater Pollution Prevention Plan (SWPPP) For Construction Activities At: Southwood Townhomes Village 2 Prepared by: Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 Prepared for: Southern Property LLC 142 South Pantops Drive Charlottesville, VA 22911 SNN PPP Preparation Date: November 14, 2022 Disturbed Area = 0.5 ac. APPROVED by the Albemarle County Community Development Department Date 2-7-23 CONTENTS: (from Albemarle County Code Sec. 17-405) 1. Registration statement 2. Notice of general permit coverage 3. Nature of activity, TMDL information and Inspection Schedule 4. Erosion and Sediment Control/Stormwater Management Plan. 5. Stormwater Management Plan 6. Pollution Prevention Plan. 7. Discharges to impaired waters, surface waters within an applicable TMDL N� asteload allocation, and exceptional waters. 8. Qualified personnel 9. Signed Certification 10. Delegation of authority. 11. General permit copy 12. Inspection logs Section 1. Registration statement VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM CONSTRUCTION ACTIVITIES (VAR10) REGISTRATION STATEMENT 2019 Application type. ,ANEW PERMIT ISSUANCE (CHOOSE ONE) ❑ MODIFICATION WITH ACREAGE INCREASE MODIFICATION WITHOUT ACREAGE INCREASE ❑ EXISTING PERMIT RE -ISSUANCE Section I. Operator/Permittee Information. PERMIT#: PLAN/ID #: TECHNICAL CRITERIA: 116 ❑ IIC ❑ A. Construction Activity Operator (Permittee). The person or entity that is applying for permit coverage and will have operational control over construction activities to ensure compliance with the general permit. A person with signatory authority for this operator must sign the certification in Section V. (per Part III. K. of the VAR10 Permit). Operator Name: L Contact person: Address: L7 n Or, ' City, State and Zip Code: VA Z 2 Phone Number: q_ p Primary and CC Email: Kt-4e C6, B. Electronic correspondence. To receive an emailed coverage letter or to pay by credit card, you must choose YES and include a valid email. May we transmit correspondence electronically? YES R NO ❑ Section II. Construction Activity Information. A. Include a site map showing the location of the existing or proposed land -disturbing activities, the limits of land disturbance, construction entrances and all waterbodies receiving stormwater discharges from the site. B. Project site location information. Construction Activity Name: S o Z Address: City and/or County and Zip Code: Albew nr(e Caw. Construction Activity Entrance Location (description, street address and/or latitude/longitude in decimal degrees): 14or; zc'h Dill 377 ,cM4-16$ -78.52.7775 Latitude and Longitude (6-digit, decimal degrees format): I 37,99476$ '(g, 52-7775" C. Acreage totals for all land -disturbing activities to be included under this permit coverage. Report to the nearest one -hundredth of an acre. Total land area of development (include entire area to be disturbed as approved in the Stormwater Management Plan): S Ac Primary estimated area to be disturbed (include portions with Erosion and Sediment Control Plan approval only): • S rcc Off -site estimated area to be disturbed (if applicable): D. Property Owner Status: FEDERAL ❑ STATE ❑ PUBLIC PRIVATE 12 E. Nature of the Construction Activity Description (i.e. commercial, industrial, residential, agricultural, environmental, utility): F. Municipal Separate Storm Sewer System (MS4) name(s) (if the site is discharging to a MS4): G. Estimated Project Dates (MM/DD/YYYY). Start Date: Z023 Completion Date: 2 I ZOLS- H. Is this construction activity part of a larger common plan of development or sale? YES-W NO ❑ Rev 11/2020 PAGE 1 1 6 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 I. 6`^ Order Hydrologic Unit Code (HUC) and Receiving Water Name(s). Include additional areas on a separate page. HUC NAME(S) OF RECEIVING WATERBODY ow&0 y0 f "oores Creek Section III. Off -site Support Activity Location Information. List all off -site support activities and excavated material disposal areas being utilized for this project. Include additional areas on a separate page. Off -site Activity Name: Address: City or County: Off -site Activity Entrance Location (description, street address and/or latitude/longitude in decimal degrees): Latitude and Longitude (6-digit, decimal degrees format): Is this off -site activity an excavated material disposal area? YES ❑ NO ❑ If this off -site activity is an excavated material disposal area, list the contents of the excavated fill material: Will a separate VPDES permit cover this off -site activity? YES ❑ NO ❑ Section IV. Other Information. A. A stormwater pollution prevention plan (SWPPP) must be prepared in accordance with the requirements of the General VPDES Permit for Discharges of Stormwater from Construction Activities prior to submitting the Registration Statement. By signing the Registration Statement, the operator is certifying that the SWPPP has been prepared. B. Has an Erosion and Sediment Control Plan been submitted to the VESC Authority for review? YES X NO ❑ Erosion and Sediment Control Plan Approval Date (for the estimated area to be disturbed MM/DD/YYYY): C. Has land -disturbance commenced? YES ® NO ❑ D. Annual Standards and Specifications. If this project is utilizing approved Annual Standards and Specifications (AS&S), attached the completed AS&S Entity Form. AS&S Entity Name (if different from the Operator identified in Section I►: E. Billing information (leave blank if same as the Operator identified in Section I. above). This entity will receive Annual Permit Maintenance and Permit Modification Fee invoices (if applicable). Billing Name: Contact Name: Address: City, State and Zip Code: Phone Number: Primary and CC Email: Rev 11/2020 PAGE 2 1 6 CONSTRUCTION GENERAL PERMIT (VAR10) REGISTRATION STATEMENT 2019 Section V. Certification. A person representing the operator as identified in Section I. A. and meeting the requirements of 9VAC25-880-70. Part III. K must physically sign this certification. A typed signature is not acceptable. Please note that operator is defined in 9VAC25-870-10 as follows: "Operator" means the owner or operator of any facility or activity subject to the Act and this chapter. In the context of stormwater associated with a large or small construction activity, operator means any person associated with a construction project that meets either of the following two criteria: (i) the person has direct operational control over construction plans and specifications, including the ability to make modifications to those plans and specifications or (ii) the person has day-to-day operational control of those activities at a project that are necessary to ensure compliance with a stormwater pollution prevention plan for the site or other state permit or VSMP authority permit conditions (i.e., they are authorized to direct workers at a site to carry out activities required by the stormwater pollution prevention plan or comply with other permit conditions). In the context of stormwater discharges from Municipal Separate Storm Sewer Systems (MS4s), operator means the operator of the regulated MS4 system. 9VAC25-880-70. Part III. K. Signatory Requirements. Registration Statement. All Registration Statements shall be signed as follows: a. For a corporation: by a responsible corporate officer. For the purpose of this chapter, a responsible corporate officer means: (i) a president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy -making or decision -making functions for the corporation; or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for state permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures; b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this chapter, a principal executive officer of a public agency includes: (i) the chief executive officer of the agency or (ii) a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. Certification: "I certify under penalty of law that I have read and understand this Registration Statement and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system or those persons directly responsible for gathering the information, the information submitted is to the best of my knowledge and belief true, accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations." Printed Name:1hI>`i/� Signature (signed in mk): Date Signed: �tl/4�lL Section VI. Submittal Instructions. Submit this form to the VSMP Authority. If the locality is the VSMP Authority, please send your Registration Statement submittal directly to the locality; do NOT send this form to DEQ. A list of local VSMP Authorities is available here: VSMP Authorities. If DEQ is the VSMP Authority, please send to: If the locality is the VSMP Authority, please send to: Department of Environmental Quality Office of Stormwater Management Suite 1400 PO Box 1105 Richmond VA 23218 constructiongp@deq.virginia.gov Rev 11/2020 PAGE 3 16 Virginia Stormwater Management Program (VSMP) 'r Application for Albemarle County '", � � A'. , Project Name: I/I11a4PZ (The name should be the same as it appears on plans) Is this an amendment, modification, or transfer of an approved plan? Yes ❑ No j�o Is this a resubmission for review? Yes ❑ No lap County File Number: WPO- be provided by the Countyfor new applications) The following are required elements of new applications [,>5]7-401]. For amendments and resubmission, please indicate which items are being amended. Signatures must be provided for any submission. ❑ A. Signature of the Owner for each parcel: (Required with every submission, NOT TO BE SIGNED BY AN AGENT OR CONSULTANT) By signing this application as the owner, I hereby certify that all requirements of these plans and permits will be complied with, and I have the authority to authorize the land disturbing activities and development on the subject property. I hereby grant the County of Albemarle the right to enter upon the property as required to ensure compliance with the approved plans and permits. - 1Ck Fv k /Zlia1LZ Name of Owner GSL11Ti ra Date Tax Map & Parcel Print Name of Owner Signature of Owner Date Tax Map & Parcel Print Name of Owner Signature of Owner Date Tax Map & Parcel Print Name of Owner Signature of Owner Date Contact Information for the Owner(s) to receive correspondence: Print Name: Frcw lc IT,-P Address: 1 ` Z- Sa uAk City: State: VA Zip: 22gtt Daytime Phone: (4S`i) 2cI5-cAgc} E-mail: FnwskB Revised 07/l/21; 7/26/2021; 4/26/2022 ❑ B. All Fees [Code § 17-208] For new or modifiedplans: Total acres proposed to be disturbed S Fee Due with this Transfer or Acres to be Disturbed Application Modification Fee Total Fee = ('Application Fee + 4° o Technology Stucharge) Single Family Dwelling only $171.60 $23.92 Less than 1 acre ($165 + $6.60) ($23 + $0.92) Single Family Dwelling only $171.60 $236.08 1 and less than 5 acres ($165+$6.60) (S227+$9.08) Less than 1 acre $171.60 $20.80 ($165+$6.60) ($20+$0.80) 1 and less than 5 acres $1,591.20 $236.08 (S1,530+$61.20) ($227+$9.08) 5 and less than 10 acres $2,004.08 $294.32 ($1,927+$77-08) ($283+S11.32) 10 and less than 50 acres $2,652.00 $353.60 $2550+$102 $340+$13.60 50 and less than 100 acres $3,596.32 $530.40 ($3,458 + $138.32) (S510 + $20.40) 100 acres or more $5,657.60 $824.72 ($5,440+$217.60) ($793 + $31.72) 4D, r. Amendments to an approved plan. Fee = $236.08 per review ($227 fee + $9.08 technology surcharge) 2rD. Registration Statement on the official DEQ form. ❑ E. Erosion and Sediment Control Plan satisfying the requirements of Code § 17-402. e8"F. Stormwater Management Plan satisfying the requirements of Code §17403. L21G. Pollution Prevention Plan satisfying the requirements of Code § 17-404. ❑ H. Stormwater Pollution Prevention Plan satisfying the requirements of Code § 17-405. ❑ I. Mitigation Plan satisfying the requirements of Code § 17406 for any proposed disturbance of stream buffers. $176.80 ($170 fee +S6.80 technology surcharge) ❑ J. Requested Variations or Exceptions as provided in Code §17-407 and §17-408. $176.80 ($nB fee +S6g0 technology surcharge) Provide 2 copies of all plans and any supporting documents or submit all documents online. Professional seals must have original signatures. Additional information if not provided on plans and documents: Name of a Contact Person for correspondence (usually the plan preparer, consultant, or agent): Name (Print): {CecJo1LZ- Address: lKz_ So�t�l. Pmw+wflS �r_ City: c-hnr]tttceSyi�l2 t State: r/fk Ziip: 1224L\ Daytime Phone: 4 7.45-099tf E-mail: klu,..4S-ic�� Str>.��.e/'�-(,tnmo✓�,CA.t. ' When applications and plans are reviewed, but not approved, and a response to comments is not received within 6 months from the date of county comments, the application will be deemed withdrawn. Applications without valid owner's signatures will not be considered valid. Active permits are subject to annual maintenance fees 1§ 17-2081. FOR OFFICE USE ONLY WPO # -Fee Amount Date Paid By who? Receipt# Ck# R m, se,0714? By: 4; 7/36'2011 1261022 Section 2. Notice of general permit coverage (This notice is to be posted near the main entrance according to 9VAC25-880-70, Part II, section C.) RMW Section 3. Nature of activity, TMDL information and Inspection Schedule A. NATURE OF ACTIVITY The purpose of this project is to construct single-family attached units. The infrastructure to serve these units has been constructed and is covered by a separate VSMP permit VARI0 . The total area to be disturbed by constructing the single-family attached units is 0.5 acres. The units will be constructed in phases as shown on the SWPPP. B. IMPORTANT NOTES TO CONSTRUCTION ACTIVITY OPERATOR AND RLD: (1) Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; (2) Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and (3) A modified inspection schedule shall be implemented in accordance with Part I B 4 or Part I B 5 as summarized below: The applicable SWPPP inspection requirements specified in Part II F 2 shall be amended as follows: Inspections shall be conducted at a frequency of- (i) at least once every four business days, or (ii) at least once every five business days and no later than 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted on the next business day. Section 4. Erosion and Sediment Control/ Stormwater Management Plan Section 5. Stormwater Management Plan SOUTHWOOD REDEVELOPMENT - VILLAGE 2 91GNR MqF PPNEI, u��n .ter � WP0202100038 WPO PLAN ALBEMARLE COUNTY, VIRGINIA 7/8/2021 VICINITY MAP 1•=1000 DEVELOPER: SOUTHWOOD CHARLOTTESVILLE LLC 919 WEST MAIN STREET CHAROTTESVILLE, VA 22903 ENGINEER OF RECORD: TIMMONS GROUP 608 PRESTON AVE, SUITE 200 CHARLOTTESVILLE, VA 22903 CONTACT: CRAIG KOTARSKI, P.E. TELEPHONE:(434) 327-16M 'AAA OWN fA MA EMM �I01.1 �� Alff VLA k�E d�:�64 ��' • � lie � Asir ' two �� ►�• ®� � �10A ��I �1�.e I 1 � - `� EAM0111i I� 1 , ►�►�ijD10 it IME M lima- �.�.Z ,i41, io� 1et...• i1I�1 �I �!s>i�C���I-J lil�.'�!I�IIr'I��i��®1�' ,��; �,l G� o : j�M11RMJ ®1° MOOT. r� WIN � S R O t� F� •�:. ` r �\ 9 _J r' pax`71 T I M M O N S GROUP •••':'w �� -��., P3 a SOUTHWOOD REDEVELOPMENT - VILLAGE 2 a ei . ff Y as 'uO OPEN r"` �.. � � Y - _ ,l � '�:, mob. / `/ y � • A � Y :j -------------- SIM a i i R is a �y : t y I' \' T -- a (_ �` '— ✓�//yam A> %Y �� TIMMONS GROUP . ':'•. ���.x:,_ e`t Pi • SOUTHWOOD REDEVELOPMENT -VILLAGE 2 ••9, a }+ , OPEN SPACE PLAN y IrI ki■e■rn.r■iir i :r \ S• ■ Imo'✓ h ', T� rmmenann_ mnnaer.wmca< 4..ima'mwW.ouu. yl .. .. �'• ••'S r/y � •� $rOPM WRIER HPPMi1V! � srr r fr j j S Ei BYAP UNOSG4PE MAN a �! J 0, i �rV MRM fuYl/,M Aw{Mr M1JdFI RMMm� RWM,RwN6 CMb NwArAC YRaR.en� nW.w�Y WPOA1@YJ9 ]lY 011 f9 1. M1 Y/ROA]AO1 R6] 1E ]9PA 7a osw m+000w z9t 0. o }mouF PM9411 13I I Is i6 a" O1 o& s1.0{Rt PIW 12 }y }] On T1.9% N 1 I ♦M I.6 3tl] In] M]P4 Tabl tl51 TW L.1f I.1 l.l+M WATER WB AMLY515 a O 1 .ro.o mw wi O � w � � o, yet F _ q9E pY@I ie ixKK<OeSmp�s�aMan���L rtTMv«Kvuo��v.-¢ 3 �J w £ auv�v„w. CY v.aM ` O xowvwtlexa our o�♦�iuvurvttn I>o�s Cd 01 1 � 1 i 1Ai f f.r • ,..i �......+ �= r i TIMMONS GROUP c SOUTHWOOD REDEVELOPMENT - VILLAGE 2• r g a +♦ v E e mw� a uuw.0 v. INLET DRAINAGE AREA MAP 3 .J Section 6. Pollution Prevention Plan. (reference County Code 17-404 and State Regulation 9VAC25-880-70 part II section AA) A. Plan showing pollution activities and prevention practices B. Sources of Pollutants, locations, and prevention practices - Common activities and minimum control and prevention practices Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures Follow Erosion and Sediment Control Clearing, grading, excavating, and on- Land disturbance area Plan. Dispose of clearing debris at stabilized areas acceptable disposal sites. Seed and mulch, or sod within 7 days of land clearing _ Cover storm drain inlets and use drip pans Paving operations Roads and driveways and absorbentloil dry for all paving machines to limit leaks ands ills Direct concrete wash water into a leak - Concrete washout and Current location and detail shown on proof container or leak -proof settling basin cement waste plan that is designed so that no overflows can occur Enclose or cover material storage areas. Mix paint indoors in a containment area or Structure construction, stucco, Structures in a flat unpaved area. Prevent the painting, and cleaning discharge of soaps, solvents, detergents and wash water, paint, form release oils and curing compounds. K ater shall be filtered, settled or similarly Dewatering operations Dewatering sites shown on plan treated prior to discharge as shown on —Plan. Designated areas for material delivery and Material delivery and storage Designated area shown on plan storage. Placed near construction entrances, away from waterways and drainage paths Material use during building process Building areas Follow manufacturer's instructions. MSDS's attached. Waste collection area will not receive a substantial amount of mnoff from upland areas and does not drain directly to a waterway. Containers have lids covered Current designated container areas on before periods of rain, or are in a covered Solid waste disposal I plan area Scheduled collection to prevent overfilling. MATERIALS NOT TO BE BURIED ON -SITE Convenient and well -maintained portable sanitary facilities will be provided, and Sanitary waste Current locations shown on plan located away from waterways or inlets. Such facilities shall be regularly maintained. Apply fertilizers in accordance with Landscaping operations Landscape areas shown on plan manufacturer's recommendations and not during rainfall events To be treated in a sediment basin or better Wash Waters Wash areas shown on plan control as specified on plan. Minimize the discharge of pollutants from equipment and vehicle washing Vehicle and equipment washing Designated areas and details shown on Provide containment and filtering for all Ian wash waters per the plan Fueling station Provide double walled tanks, a lined Fueling containment azea, dripans, ands ill Pollutant, or Pollutant Location on site Prevention Practices, Generating Activity Control Measures prevention and cleanup materials. Minimization of exposure to precipitation and stormwater. Minimize the exposure of building materials, building products, construction wastes, trash, landscape materials, fertilizers, pesticides, herbicides, detergents, sanitary waste, and other materials present on the site to precipitation and to stormwater. C. Non-stormwater discharges Appropriate measures must be taken to ensure that pollution prevention measures for the non -storm water component of the discharge are implemented. The non -storm water discharges associated with this project identified at this time are: ✓ Discharges from fire -fighting activities ✓ Fire hydrant flushings ✓ Waters used to wash vehicles where detergents are not used ✓ Water used to control dust in accordance with EPA's CGP, Part 3, Subpart 3AG ✓ Potable water including uncontaminated water line flushings ✓ Routine external building wash down that does not use detergents ✓ Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred (unless all spilled material has been removed) and where detergents are not used ✓ Uncontaminated air conditioning or compressor condensate ✓ Uncattarritkited ground water or spring water ✓ Foundation or footing drains where flaws are not contaminated with process materials such as solvents ✓ UncDntarrvnated excavation dewatering ✓ Landscape irrigation Pollutants or Pollutant Constituents Location on site Contractor Responsible Adhesive in Laminate Hardwood within the house The L&L Company Asphalt Paved Driveway yard Virginia Asphalt, Inc. Asphalt Roof Shingles on the house Roof Top Services, LLC Caulk- Dap contractors vehicle Construction Applicators Inc. Chemical Toilet yard Allied Portable Toilets, LLC Construction Adhesive- Liquid Nails within the house JC Chavez Construction Exposed Aggregate Sealer contractors vehicle Williams Concrete Company Firestone Una -clad Paint- Metal Roofing contractors vehicle Roof Top Services, LLC Formica 180 FX Countertops within the house Better Living Guardian Fiberglass Insulation contractors vehicle East Coast Insulators, Inc. HVAC Refrigerant contractors vehicle ARS & Robertson Electric Liquid Propane- Permanent tank yard Tiger Fuel Company Liquid Propane -Temporary Bottles adjacent to house Foster Fuels, Inc. Mar -flex Foundation Waterproofing Spray contractors vehicle K&K Foundation Sealing N,,%llastic- Duct contractors vehicle ARS & Robertson Electric Mastic- Tile contractors vehicle The L&L Company McCormick Primer/Paint- Low Voc contractors vehicle Construction Applicators Inc. Min -wax Low Voc Stain contractors vehicle The L&L Company Powerwashing Chemicals Pressure -Treated Framing Materials Ready -Mix Concrete Release Agent- Stamped Concrete Release Chemical- Concrete Forms Spray Foam Insulation Termite Pre-treatment contractors vehicle yard poured onsite contractors vehicle contractors vehicle contractors vehicle contractors vehicle D. Persons responsible for pollution prevention practices Southern Development Homes Trade Partners and Suppliers: Trade Partner Advanced Plumbing A.G. Dilliard, Inc. Albemarle Signs Allied Portable Toilets, LLC ARS/Rescue Rooter Americas Appalachian Home Technologies, LLC Better Living Buhl Electric, Inc. CED, Inc. Christian and Associates Excavating, Inc. The Clean Team Concrete Wall Solutions, LLC Construction Applicators, Inc. Cornerstone Home Improvement, Inc. Dick's Clearing and Landscaping, LLC Digs, Inc. Dodson Glass and Mirror Dominion Engineering and Design, LLC Don Soechting Gutter Works Dutch Way, LLC EarthCraft Virginia East Coast Insulators, Inc. Easy Living Home VA Extara Landscaping and Maintenance, LLC Ferguson Enterprises, Inc. Fireside Hearth & Home Foster Fuels, Inc. Gooch Engineering and Testing Haislip Construction, Inc. Heath Wills Home Designs Intrastate Pest Control JC Chavez Construction K&K Foundation Sealing King Custom, Inc. Kurt Slangerup Custom Millwork The L&L Company The Clean Team JC Chavez Construction Concrete Wall Solutions&Royal Williams Concrete Company Concrete Wall Solutions&Royal East Coast Insulators, Inc. trastate Pest Control Phone # Category (434) 977-7586 Plumbing (434) 977-3750 Development (434) 823-1024 Mailboxes (434) 823-2785 Chemical Toilets (703) 366-2375 HVAC Design Install (434) 295-4194 Temporary Construction Gas (434) 200-8437 Structured Wiring and Telecommunication (434) 591-2200 Construction Materials, Interior Stairs, Cabinets (703) 450-2100 Electrical and Structured Wiring/Tele. (434) 979-0123 Well Drilling (434) 977-9542 Septic Field Install (434) 882-0256 Construction Cleaning (434) 960-7739 Concrete Foundations and Walls (703) 968-2786 Drywall and Paint (540) 808-0989 Siding and House Wrap (434) 589-2787 Excavation and Sitework (434) 978-4435 Development (434) 973-7534 Commercial Storefront Doors and Windows (434) 979-8121 Engineering (434) 979-9085 Gutters and Downspouts (540) 564-1322 Screened -in Porches and Vinyl Fencing (804) 225-9843 Green Building Certification (540) 967-1119 Siding, Insulation, House Wrap (804) 643-3279 "Easy Living" Home Inspection and Certification (434) 981-0209 Landscape Design Install/Powerwashing (434) 817-1775 Appliance Supply/Delivery (434) 978-7025 Gas Fireplaces (434) 263-4500 Temporary Construction Gas (434) 293-7449 Engineering/Septic Field Design/Site Inspections (434) 531-6027 Excavation and Sitework (434) 284-0491 Custom Plan Designer (434) 295-6565 Termite Pre-treatment (540) 727-9748 House Framing/Decks and Porches (540) 829-7985 Foundation Waterproofing (540) 337-4688 Closet Shelving/Shower Doors/Bath Accessories (434) 465-5478 Interior Finish Trim (703) 331-5525 Flooring Finishes Management Services Corporation (434) 977-4181 Residential/Commercial Rental Management MiD Incorporated (804) 774-7874 Appliance Delivery Old Dominion Engineering (540) 942-5600 Septic Field Design Overhead Door Company of Charlottesville (434) 295-5868 Garage Doors Pete's Plumbing and Heating, Inc. (434) 962-8000 Plumbing PROBuild (434) 973-5356 Firewall Material/Delivery Radon Solutions, Inc. (540) 289-3050 Radon Testing and Abatement Robertson Electric (434) 465-6497 HVAC Design Install Roof Top Services, LLC (434) 975-2051 Roofing Install Royal Foundations (540) 661-0434 Concrete Foundations/Walls SL Williamson Company (434) 295-6137 Commercial Paving Shelbeck Excavating (434)286-7149 Development Sigora Solar, LLC (540) 949-6553 Solar Panel Design Install T&N Printing, Inc. (434) 971-8976 Construction/Development Plan Printing Think Little Home Energy (434) 409-3970 3rd Party Energy Rater for EarthCraft Homes Tiger Fuel Company (434) 293-6157 Permanent Gas Tank Installation Trimwood Carpentry (540) 832-3862 Interior Finish Trim True Steel, LLC (540) 406-0686 Concrete Foundations and Walls Van der Linde Recycling/Container Rentals (434) 973-0889 Container Rental&Construction Waste Recycling Virginia Asphalt, Inc. (434) 989-5703 Residential Driveway Paving Virginia Stair Company (434) 293-2783 Interior Stair Railings Williams Concrete Company (434) 977-8097 Concrete Slabs and Flatwork Woodstone Construction, Inc. 434-989-6106 Masonry E. Response and reporting practices 1) Spills Oil, chemical or other hazardous substance spills in excess of reportable quantities, in accordance with Part I E. of the Permit (Appendix A), will be reported to the Department in accordance with Part III G. of the Permit as soon as the discharge is discovered, but no later than 24 hours. A reportable quantity of oil is defined as a discharge to a surface water that causes a sheen, discoloration, and/or an emulsion. Reports will be made to the following: DEQ Valley Regional Office Phone: (540) 574-7800 Fax: (540) 574-7878 For reports outside normal working hours, leave a message. Virginia Department of Emergency Management Emergency Operations Center (EOC) Phone: 1-(800) 468-8892 Contact the Site Superintend for the location of the "Spill Kit" for materials and equipment necessary for oil or chemical spill cleanup onsite. Equipment will include, but not be limited to, brooms, dust pans, mops, rags, gloves, goggles, kitty litter, sand, saw dust, and plastic and metal trash containers. J All oil or other chemical spills will be cleaned up immediately upon discovery. Spills large enough to reach the storm sewers will be reported to the National Response Center at 1-800-424-8802. 2) Maintenance Maintenance of the erosion and sediment controls and the storm water management/BMP facilities incorporated into this project must be maintained on a regular basis to assure their continued effectiveness. This includes repairs to all erosion and sediment controls at the required intervals. Those controls found to be ineffective during routine inspections (as described in the following section) shall be repaired as soon as practicable but no later than seven days after discovery. A more detailed description of the maintenance procedures is contained in the Erosion & Sediment Control Narrative for Southwood and is incorporated in this Plan by reference. 3) Inspections Regular inspections of the construction site shall be performed by "Qualified personnel", defined as a licensed professional engineer, responsible land disturber (RLD), or other knowledgeable person who (i) holds a certificate of competence from the board in the area of project inspection; or (ii) is enrolled in the board's training program for project inspection or combined administrator and successfully completes such program within one year of enrollment. Inspections shall include the review of all disturbed areas, structural and non-structural control measures, material storage areas, and vehicular access points. The applicable SWPPP inspection requirements specified in Part II F 2 shall be amended as follows: Inspections shall be conducted at a frequency of: (ii) at least once every four business days, or (ii) at least once every five business days and no later than 48 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 48 hours between business days, the inspection shall be conducted on the next business day. Areas that already have been stabilized or where runoff is unlikely due to frozen or snow covered ground shall be inspected at least on a monthly basis. Areas that have been permanently stabilized can be delineated in the Plan, thus removing the inspection requirements for those areas. The impaired water(s), approved TMDL(s), and pollutant(s) of concern, when applicable, shall be identified in the SWPPP; b. Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; c. Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; Inspections are intended to identify areas where the pollutant control measures at the site are ineffective and are allowing pollutants to enter surface waters. Receiving waters shall be inspected to ascertain whether control measures are effective in preventing significant impacts. Locations where vehicles enter or exit the site shall be inspected for evidence of offsite sediment tracking. If as a result of the inspection, the site conditions and/or control measures are found to have changed, the Plan shall be updated within a period of 7 calendar days. If control measures need to be modified to assure effectiveness or if additional measures are determined to be necessary, implementation shall J be completed prior to the next anticipated storm event or as soon as practicable. A report summarizing the inspections and the subsequent maintenance activities must be completed and maintained as part of the Plan. The inspection forms are included in Appendix D. Required elements include major observations (including information on control measure performance and incidents of non-compliance), and information on the inspecting personnel. If an inspection does not identify any incidents of non-compliance, then the certification statement contained in the inspection form will apply. Section 7. Discharges to impaired waters, surface waters within an applicable TMDL waste load allocation, and exceptional waters. Sediment TMDLs for Moores Creek, Lodge Creek, Meadow Creek, and Schenks Branch Albemarle County and Charlottesville City, Virginia Submitted by: Virginia Department of Environmental Quality Prepared by: Virginia Tech Department of Biological Systems Engineering Revised: January 20, 2016 0 Biological Systems Engineering � VirgniaTech VT-BSE Document No. 2015-0003 Invent the Future Im CENTER for WATERSHED STUDIES at VIRGINIA TECH Project Personnel Virginia Tech, Department of Biological Systems Engineering (BSE) Gene Yagow, Sr. Research Scientist Karen Kline, Research Scientist Carlington Wallace, Graduate Research Assistant Rebecca Zeckoski, Research Associate Brian Benham, Associate Professor and Extension Specialist Virginia Department of Environmental Quality (DEQ) Tara Sieber, Valley Regional TMDL Coordinator Nesha McRae, Non Point Source TMDL Coordinator, VRO Don Kain, Valley Region Water Quality Monitoring and Assessments Manager James Shiflet Craig Lott, Central Office For additional information, please contact: Virginia Department of Environmental Quality Water Quality Assessment Office, Richmond: Craig Lott (804) 698-4240 Valley Regional Office, Harrisonburg: Tara Sieber (540) 574-7800 Table of Contents LIST OF TABLES..................................................................................................II LIST OF FIGURES........................................................................................... Vill LISTOF ACRONYMS......................................................................................... IX EXECUTIVE SUMMARY..................................................................................... X CHAPTER 1:INTRODUCTION............................................................................1 1.1. Background................................................................................................1 1.1.1. TMDL Definition and Regulatory Information.......................................1 1.1.2. Impairment Listing...............................................................................1 1.1.3. Pollutants of Concern...........................................................................3 1.2. Designated Uses and Applicable Water Quality Standards ........................4 1.2.1. Designation of Uses (9 VAC 25-260-10)..............................................4 1.2.2. General Standard (9 VAC 25-260-20)..................................................4 CHAPTER 2. WATERSHED CHARACTERIZATION............................................7 2.1. Water Resources........................................................................................7 2.2. Eco-region..................................................................................................8 2.3. Soils and Geology......................................................................................9 2.4. Climate.....................................................................................................10 2.5. Land Use..................................................................................................10 2.6. Biological Monitoring Data........................................................................12 2.7. Water Quality Data...................................................................................21 2.7.1. DEQ Ambient Monitoring Data...........................................................21 2.7.2. DEQ Metals Monitoring Data.............................................................26 2.7.3. DEQ Polycyclic Aromatic Hydrocarbon (PAH) Monitoring Data ......... 28 2.7.4. DEQ - Other Relevant Monitoring or Reports.....................................30 2.7.5. DEQ Permitted Point Sources............................................................34 2.7.6. VCU InStar (http://instar.vcu.edu) - Fish Inventory Data ....................36 2.7.7. 305(b)/303(d) Combined Report Monitored Violations .......................36 2.7.8. Virginia DCR Data..............................................................................39 2.7.9. Local Sources of Information.............................................................40 2.7.10. Related TMDLs and/or Implementation Plans..................................43 2.7.11. Sanborn Insurance Maps.................................................................44 CHAPTER 3: BENTHIC STRESSORANALYSIS...............................................45 3.1. Introduction...............................................................................................45 3.2. Analysis of Stressors for Moores Creek...................................................46 3.2.1. Eliminated Stressors..........................................................................46 Ammonia..............................................................................................46 Metals................................................................................................... 47 pH.........................................................................................................47 TDS/Conductivity/Su [fates....................................................................47 Temperature.........................................................................................48 3.2.2. Possible Stressors.............................................................................48 Hydrologic Modifications.......................................................................48 Nutrients...............................................................................................48 OrganicMatter......................................................................................49 PAHs....................................................................................................50 ii Toxics..................................................... .............................................. 50 3.2.3. Most Probable Stressors....................................................................51 Sediment..............................................................................................51 3.3. Analysis of Candidate Stressors for Lodge Creek....................................52 3.3.1. Eliminated Stressors..........................................................................52 Ammonia..............................................................................................52 Metals................................................................................................... 53 pH.........................................................................................................53 • TDS/Conductivity/Suffates....................................................................53 Temperature......................................................................................... 54 3.3.2. Possible Stressors.............................................................................54 Nutrients...............................................................................................54 OrganicMatter......................................................................................54 • Toxics...................................................................................................55 3.3.3. Most Probable Stressors....................................................................55 Hydrologic Modifications.......................................................................55 Sediment..............................................................................................56 3.4. Analysis of Candidate Stressors for Meadow Creek.................................57 3.4.1. Eliminated Stressors..........................................................................57 Ammonia..............................................................................................57 Metals................................................................................................... 58 pH.........................................................................................................58 TDS/Conductivity/Sulfates....................................................................58 Temperature......................................................................................... 59 3.4.2. Possible Stressors.............................................................................59 Nutrients...............................................................................................59 OrganicMatter......................................................................................59 PAHs....................................................................................................60 Toxics...................................................................................................60 3.4.3. Most Probable Stressors....................................................................61 Hydrologic Modifications.......................................................................61 Sediment..............................................................................................62 3.5. Analysis of Candidate Stressors for Schenks Branch...............................63 3.5.1. Eliminated Stressors..........................................................................63 Ammonia..............................................................................................63 • Metals...................................................................................................64 pH......................................................................................................... 64 TDS/Conductivity/Sulfates.................................................................... 64 Temperature.........................................................................................65 3.5.2. Possible Stressors.............................................................................65 Nutrients...............................................................................................65 OrganicMatter......................................................................................66 PAHs....................................................................................................66 Toxics................................................................................................... 70 3.5.3. Most Probable Stressors....................................................................71 Hydrologic Modifications.......................................................................71 Sediment..............................................................................................72 3.6. Summary ..................................................................................................73 iii CHAPTER 4: SETTING REFERENCE SEDIMENT LOADS...............................75 4.1. Sediment..................................................................................................75 4.1.1. Selection of Local Comparison Watersheds......................................76 CHAPTER 5. MODELING PROCESS FOR DEVELOPMENT OF THE SEDIMENT TMDLS............................................................................................80 5.1. Reassessment of the Moores Creek Impaired Stream Segment for the SedimentTMDL..............................................................................................80 5.2. Model Selection........................................................................................81 5.3. Input Data Requirements....................................................................... 5.3.1. Climate Data................................................................................... 5.3.2. Existing Land Use........................................................................... 5.4. Future Land Use.................................................................................... 5.5. GWLF Parameter Evaluation................................................................. 6.1.1. TMDL Components................................................................... 6.2. Maximum Daily Loads for Sediment ................................................ 6.3. Allocation Scenarios........................................................................ CHAPTER 7: TMDLIMPLEMENTATION.................................................. 7.1. Staged Implementation.................................................................... 7.2. Link to ongoing Restoration Efforts .................................................. 7.3. Reasonable Assurance for Implementation ..................................... 7.3.1. TMDL Monitoring...................................................................... 7.3.2. TMDL Modeling........................................................................ 7 3 3 Re ulato Framework . . . g ry.................................................................. 7.3.4. Implementation Funding Sources ................................................. 7.3.5. Reasonable Assurance Summary ................................................. CHAPTER 8: PUBLIC PARTICIPATION........................................................ CHAPTER 9: REFERENCES........................................................................ APPENDIXA: DETAILED LAND USE DISTRIBUTIONS ............................... APPENDIX B.-DETAILED SIMULATED SEDIMENT LOADS ........................ APPENDIX C.- GWLFMODEL PARAMETERS .............................................. ...89 ...90 ...91 ...92 ...93 ...93 ...94 ...94 ...96 ...96 ...97 ...98 .101 .101 ..117 ..117 ..118 ..119 ..120 ..121 ..126 ..130 ..132 ..135 iv APPENDIX D. SETTING TMDL ENDPOINTSAND MOS USING THEALLFORX APPROACH.....................................................................................................139 APPENDIX E. INVENTORY OF ONGOING IMPLEMENTATION IN MS4 AREAS OF THE WATERSHEDS..................................................................................147 APPENDIX F AREA AND LOAD DISTRIBUTIONS AMONG MS4 ENTITIES .148 v List of Tables Table 2-1. RRBC/NASS Land Use Summary .....................................................11 Table 2-2. Taxa Inventory by Sample Date in Moores Creek (MSC) and Lodge Creek(XRC)................................................................................................14 Table 2-3. Taxa Inventory by Sample Date in Meadow Creek (MWC) ................15 Table 2-4. Taxa Inventory by Sample Date in Schenks Branch (SNK) and an Unnamed Tributary to Schenks Branch (XSN).............................................16 Table 2-5. Virginia Stream Condition Index (VSCI) Scores for Moores Creek (MSC) and Lodge Creek (XRC)...................................................................17 Table 2-6. Virginia Stream Condition Index (VSCI) Scores for Meadow Creek (MWC).........................................................................................................18 Table 2-7. Virginia Stream Condition Index (VSCI) Scores for Schenks Branch (SNK) and an Unnamed Tributary to Schenks Branch (XSN) ......................18 Table 2-8. Habitat Evaluation Scores for Moores Creek (MSC) and Lodge Creek (XRC)........................................................................................................... 20 Table 2-9. Habitat Evaluation Scores for Meadow Creek (MWC) .......................20 Table 2-10. Habitat Evaluation Scores for Schenks Branch (SNK), and an Unnamed Tributary to Schenks Branch (XSN).............................................21 Table 2-11.Summary of Ambient Monitoring Data through October 2010...........22 Table 2-12. DEQ Channel Bottom Sediment Monitoring for Metals ...................27 Table 2-13. DEQ Water Column Monitoring for Metals......................................28 Table 2-14. Summary of Major PAH Congener Values vs Consensus -Based TECs and PECs in DEQ Monitoring (March 2009 - September 2010) .........29 Table 2-15. Indices for Determining the Type of Source and Potential for Toxicity ..................................................................................................................... 30 Table 2-16. Chlordane -Related Samples in Meadow Creek...............................31 Table 2-17. Chlordane -Related Samples in Schenks Branch .............................31 Table 2-18. RBS Analysis Results for Meadow Creek and Schenks Branch ......32 Table 2-19. Selected PReP Incidences..............................................................32 Table 2-20. Distribution of Reported Petroleum Releases by Watershed and Year .....................................................................................................................33 Table 2-21. Summary of Monthly Discharge Monitoring Reports from VPDES Facilities....................................................................................................... 34 Table 2-22. Industrial Stormwater Permits in Moores Creek and Meadow Creek .....................................................................................................................35 Table 2-23. Summary of Fish Inventory Data......................................................36 Table 2-24. 305(b) Water Quality Standard Violations - Moores Creek..............37 Table 2-25. 305(b) Water Quality Standard Violations - Lodge Creek.................37 Table 2-26. 305(b) Water Quality Standard Violations - Meadow Creek.............38 Table 2-27. 305(b) Water Quality Standard Violations - Schenks Branch ...........39 Table 2-28. Installed Agricultural BMPs from DCR Cost -Share Database .......... 39 Table 2-29. Virginia Stormwater Management Program (VSMP) Construction PermitSummary ..........................................................................................40 Table 2-30. Stream Corridor Assessment (SCA) - Summary of Potential Problems, 2005............................................................................................41 Table 2-31. Stream Corridor - Habitat Assessment, Albemarle County (2002) ...42 vi Table 3-1. VSCI Scores from ProbMon Sites in Virginia with PAH Measurements (Shaded VSCI scores greater than 60 indicate non-impairment).................68 Table 3-2. Common Types of PAHs from Pyrogenic and Petrogenic Sources as indicated by differing ranges of PAH isomer ratios, phenanthrene to anthracene (PH/AN) and fluoranthene to pyrene (FL/PY) (Neff et al., 2005)69 Table 4-1. Comparison Watershed Characteristics for Urban Impaired Watersheds.................................................................................................. 77 Table 4-2.Comparison Watershed Characteristics for the Rural Impaired Watershed...................................................................................................77 Table 5-1. NASS Land Use Group Distributions for AIIForX Modeling ................86 Table 5-2. NASS/RRBC Land Use Group Distributions for TMDL Modeling ....... 86 Table 5-3. AIIForX Modeled Land Use Categories..............................................88 Table 54. DEQ PReP Reported Incidences of SSOs.........................................95 Table 5-5. Summary of SSO Annual Average Quantities and Sediment Loads, 07/06 - 04/11................................................................................................95 Table 5-6. Summary VPDES Current and Permitted Flows, Concentrations, and Loads........................................................................................................... 96 Table 5-7. Industrial Stormwater General Permit (ISWGP) WLA Loads .............97 Table 5-8. Summary of VSMP Permits and Disturbed Areas..............................98 Table 5-9. Land use distribution between Non -regulated and Regulated-MS4 areas..........................................................................................................100 Table 5-10. Existing Sediment Loads in the Moores and Meadow Creeks Watersheds................................................................................................102 Table 6-1. Sediment TMDLs and Components (tons/yr) for Lodge Creek, Moores Creek, Schenks Branch, and Meadow Creek............................................105 Table 6-2. "LTA to MDL multiplier" Statistics.....................................................106 Table 6-3. Maximum "Daily" Sediment Loads and Components (tons/day) for Lodge Creek, Moores Creek, Schenks Branch, and Meadow Creek ......... 107 Table 6-4. Lodge Creek: Sediment TMDL Load Allocation Scenario ................109 Table 6-5. Moores Creek: Sediment TMDL Load Allocation Scenario ..............110 Table 6-6. Meadow Creek: Sediment TMDL Load Allocation Scenario.............111 Table 6-7. Schenks Branch: Sediment TMDL Load Allocation Scenario ........... 112 Table A-1. Land Use Distributions for Simulating AIIForX Conditions in Moores Creek and Meadow Creek Watersheds.....................................................130 Table F-2. Distributed GWLF Land Use Categories used for Sediment Load Simulation..................................................................................................150 Table F-3. GWLF Distributed Sediment Loads (metric tonslyr).........................151 Table F-4. Albemarle County Regulated MS4 Land Use Areas and Sediment Loads.........................................................................................................152 Table F-5. City of Charlottesville Regulated MS4 Land Use Areas and Sediment Loads.........................................................................................................152 Table F-6.University of Virginia Regulated MS4 Land Use Areas and Sediment Loads.........................................................................................................153 Vii List of Figures Figure 1-1. Location of Impaired Segments and Major Watersheds .....................2 Figure 2-1. Moores Creek, Lodge Creek, Meadow Creek, and Schenks Branch Watersheds.................................................................................................... 8 Figure 2-2. RRBC 2009 Land Use in the Moores Creek, Lodge Creek, Meadow Creek, and Schenks Branch Watersheds....................................................12 Figure 2-3. Locations of DEQ Monitoring Stations in Moores Creek, Lodge Creek, Meadow Creek, and Lodge Creek Watersheds...........................................13 Figure 2-4. VSCI Scores for Moores Creek (MSC), Lodge Creek (XRC), Meadow Creek (MWC), Schenks Branch (SNK), and Schenks Branch Unnamed Tributary(XSN)............................................................................................19 Figure 2-5. Field Temperature............................................................................22 Figure2-6. Field pH............................................................................................22 Figure2-7. Field DO...........................................................................................23 Figure 2-8. Field Conductivity.............................................................................23 Figure 2-9. Lab Conductivity...............................................................................23 Figure2-10. Lab COD.........................................................................................23 Figure 2-11. Alkalinity.........................................................................................23 Figure 2-12. Total Solids.....................................................................................23 Figure 2-13. Volatile Solids.................................................................................23 Figure 2-14. Total Suspended Solids(TSS)........................................................23 Figure 2-15. Total Chloride., ............................................................................... 24 Figure 2-16. Total Sulfate...................................................................................24 ` Figure 2-17. Total Dissolved Solids (TDS)..........................................................24 Figure2-18. Ammonia........................................................................................24 Figure 2-19. Total Nitrogen.................................................................................24 Figure 2-20. Total Phosphorus............................................................................24 Figure 2-21. Nitrogen - 2-MSC000.11.................................................................25 Figure 2-22. Nitrogen - 2-MSC000.60.................................................................25 Figure 2-23. Nitrogen - 2-MSC004.43................................................................25 Figure 2-24. Nitrogen - 2-MWC000.60...............................................................25 Figure 2-25. Phosphorus - 2-MSC000.11............................................................25 Figure 2-26. Phosphorus - 2-MSC000.60............................................................25 Figure 2-27. Phosphorus - 2-MWC000.60...........................................................25 Figure 2-28.4-Day Diurnal DO Results on Meadow Creek and Schenks Branch ..................................................................................................................... 31 Figure 2-29. Reported Petroleum Releases By Year..........................................33 Figure 2-30. VPDES Facilities and DEQ Monitoring Sites..................................35 Figure 4-1. Location of Urban Impaired and Comparison Watersheds ...............78 Figure 4-2. Location of Rural Impaired and Comparison Watersheds.................79 Figure 5-1. Moores and Meadow Creeks Impaired Streams and Watersheds .... 84 Figure 5-2. Regulated MS4 Areas within the Impaired Watersheds ....................99 List of Acronyms BMP Best Management Practices BSE Biological Systems Engineering COD Chemical Oxygen Demand DCR Virginia Department of Conservation and Recreation DEQ Virginia Department of Environmental Quality DO Dissolved Oxygen E&S Erosion and Sediment Control Program (DCR) GIS Geographic Information Systems LA Load Allocation MDL Minimum Detection Limit MFBI Modified Family Biotic Index MOS Margin of Safety MS4 Municipal Separate Storm Sewer System program (EPA) NASS National Agricultural Statistics Service (USDA) NLCD National Land Cover Dataset NPS Non -Point Source NRCS Natural Resources Conservation Service (USDA) PEC Probable Effect Concentrations PReP Pollution Response Program (DEQ) RBP Rapid Bioassessment Protocol RRBC Rivanna River Basin Commission SSO Sanitary sewer overflow STP Sewage treatment plant TAC Technical Advisory Committee TDS Total Dissolved Solids TKN Total Kjeldahl Nitrogen TMDL Total Maximum Daily Load TN Total Nitrogen TP Total Phosphorous TSS Total Suspended Solids UAL Unit -area load, e.g. Ibs/acre USDA United States Department of Agriculture USEPA United States Environmental Protection Agency VSCI Virginia Stream Condition Index VDOT Virginia Department of Transportation VPDES Virginia Pollutant Discharge Elimination System VSMP Virginia Stormwater Management Program (DCR) VT Virginia Tech WIP Watershed Implementation Plan WLA Waste Load Allocation ix Executive Summary Background Section 303(d) of the Clean Water Act (CWA) and the United States Environmental Protection Agency's Water Quality Planning and Management Regulations require states to develop total maximum daily loads (TMDLs) for waterbodies that are exceeding water quality standards (WQSs). TMDLs represent the total pollutant loading a waterbody can receive without violating WQSs. Four tributaries of the Rivanna River in the County of Albemarle and the City of Charlottesville were listed as impaired on Virginia's 2012 Section 303(d) Report on Impaired Waters due to water quality violations of the general aquatic life (benthic) standard. These impaired stream segments include Moores Creek (VAV-H28R_MSC01A00), Lodge Creek (VAV-H28R_XRC01A04), Meadow Creek (VAV-H28R_MWC01A00), and Schenks Branch (VAV-H28R_SNK01A02). The impairment segment specifics are show in Table ES. 1. The watersheds of the impaired streams are shown in Figure ES.1. Table ES, 1. Impaired segments addressed in this TMDL report. Initial Impairment Impaired Segment Size 305(b) Segment ID Listing Type Year Moores Creek (VAV- 6.37 VAV-H28R MSC01A00 2008 Benthic H28R_MSC01A00) miles — Lodge Creek (VAV- 1.57 VAV-H28R XRC01A04 2006 Benthic H28R_XRC01A04) miles — Meadow Creek (VAV- 4.0 VAV- 2006 Benthic H28R_MWC01A00) miles H28R_MWC01A00 Schenks Branch (VAV- 1.13 VAV-H28R SNK01A02 2008 Benthic H28R_SNK01A02) miles — This document describes the process used to identify the most probable stressor contributing to the impairment of the benthic communities and the Total Maximum Daily Loads (TMDLs) for sediment that were developed for Moores Creek, Lodge Creek, Meadow Creek, and Schenks Branch watersheds in order to address the aquatic life water quality impairments. Figure ES. 1. Impaired segments in Moores Creek and Meadow Creek watersheds. Pollutant Sources TMDLs must be developed for a specific pollutant. Since a benthic impairment is based on a biological inventory, rather than on a physical or chemical water quality parameter, the pollutant is not explicitly identified in the assessment, as it is with physical and chemical parameters. The process outlined in USEPA's Stressor Identification Guidance Document (USEPA, 2000) was used to identify the critical stressors for each of the impaired watersheds in this study. As a result of the stressor analysis, the most probable stressor contributing to the impairment of the benthic community in Moores Creek was identified as sediment due to poor habitat metrics related to active erosion, poor vegetative cover and bank stability. In contrast, the most probable stressors for Lodge Creek were identified as hydrologic modification and sediment because of w 1.) the large amount of impervious surfaces in the watershed, poor riparian vegetation scores in the habitat metric, and erosion from unstable stream banks. For Meadow Creek, the most probable stressors were also identified as hydrologic modification and sediment due to the high percentage of urbanization in the watershed and the poor bank stability scores in the habitat metric. The same most probable stressors - hydrologic modification and sediment — were identified for Schenks Branch attributable to the high percentage of impervious surface area and headwater reaches being enclosed in culverts. This TMDL was written for the common stressor in all four streams, sediment, and will address all four benthic impairments. Additional information and data to support the Benthic Stressor Analysis can be found in Chapter 3 of this report. Modeling For the Moores and Meadow Creek sediment impairments, the procedure used to set TMDL sediment endpoint loads is a modification of the methodology used to address sediment impairments in Maryland's non -tidal watersheds (MDE, 2006, 2009), hereafter referred to as the "all -forest load multiplier" (AIIForX) approach. The AIIForX approach has previously been approved for use in Virginia by EPA in the Little Otter River and Buffalo Creek sediment TMDLs (Yagow et al., 2015). AIIForX is the ratio of modeled sediment loads from the same watershed: the existing condition load divided by the load from an all -forest condition. The AIIForX approach was applied locally, using the monitoring stations with impairments and a multiple selection of monitoring stations with healthy biological scores. Two separate regressions were developed between the average Virginia Stream Condition Index (VSCI) biological index scores at individual monitoring stations and the corresponding AIIForX ratio from their contributing watersheds, one for the impaired urban watersheds (Lodge Creek, Meadow Creek, and Schenks Branch) and select comparison watersheds, and a second one for the impaired rural watershed (Moores Creek) and select comparison watersheds. The value of AIIForX along the regression line, iii corresponding to the VSCI impairment threshold value of 60, is the AllForX threshold value which was used to set the TMDL. After the TMDLs were set for each watershed, the Generalized Watershed Loading Functions (GWLF) model was used to simulate sediment loads. The GWLF model is a continuous simulation model that uses daily time steps for weather data and water balance calculations. The GWLF model was run in metric units and converted to English units for this report. Endpoints AIIForX and existing load simulations were performed using GWLF without accounting for existing BMPs. After modeling on individual watersheds was completed, model output was post -processed in a Microsoft Excel'" spreadsheet to summarize the modeling results and to account for existing levels of BMPs already implemented within each watershed. The Sediment TMDLs The sediment TMDL for Moores Creek, Lodge Creek, Meadow Creek, and Schenks Branch were calculated using Equation ES.1. TMDL = WLAtotal + LA + MOS Where: [ES.1] WLAtota, = waste load allocation (point source contributions, including future growth); LA = load allocation (nonpoint source contributions); and MOS = margin of safety. The sediment TMDL load for these watersheds was calculated as the value of AIIForX, the point where the regression line between AIIForX and the VSCI intersected the VSCI impairment threshold (VSCI = 60), times the all -forest sediment load of the TMDL watershed. The TMDL loads and associated components are shown in Table ES. 2. For the more urban watersheds in this study, Lodge Creek, Meadow Creek, and Schenks Branch, the TMDLs were calculated as their respective All -Forest sediment loads times the point where the tv urban regression line intersected VSCI = 60 (AIIForX = 5.543). For the rural watershed (Moores Creek), the TMDL was calculated as its All -Forest load times the point where the rural regression line intersected VSCI = 60 (AIIForX = 3.762). Table ES. 2. Sediment TMDLs and Components (tons/yr) for Lodge Creek, Moores Creek, Schenks Branch, and Meadow Creek Impairment MDL WLA LA MOs Sediment Load tons/da Cause Group Code B28R4)443EN Lodge Creek 0.55 0.126 0.37 0.05 VAR040051 City of Charlottesville VAV-H28R_w2C01A04 VARD40074 Albemarle County VAR040073 University of Virginia 0.125 tons/day VAR040115 Virginia DOT construction aggregate WLA 0 tons/da Future Growth WLA 0.0014 tons/day Cause Group Code H28R.02$EN Moores Creek' 26.64 2.219 22.73 1.69 VAR040051 City of Charlottesville VAV-H28R MSCO1A00 VARD40074 Albemarle County VAR040073 University of Virginia 1,955 tons/day VAR040115 Virginia DOT VAR040108 Piedmont Virginia Comunity College GWGP Permits AR051980 0.005 tons/da General Permits AG111032, VAG408447 0.007 tons/da construction aggregate WLA 0.191 tons/da Future Growth WLA 0.06 tow/day Cause Group Code 1428R.MSEN Meadow Creek' 4.90 1.239 3.19 OA7 VARD40051 City of CharkNtesmile VAV-H28R_WCO1A00 VAR040074 Albemarle County VAR040073 University, of Virginia 1213 tons/day VAR040115 Virginia DOT ISWGP Permits (VAR051372. VAR050974) AR050876 0.004 tons/day construction aggregate WLA 0.008 tons/da Future Growth WLA 0.014 tons/day Cause Group Code H28R-0741EN Schenks Branch 1.57 0.368 1.05 0.15 VAV.H28R_SNK01AO2 VAR040051 City of Charlottesville VAR04GO74 Albemarle County VAR040073 University of Virginia 0.347 tons/day VAR040115 Virginia DOT General Permits AG110064 0.008 tons/da construction aggregate WLA 0.009 tons/da Future Growth WLA 0.004 tons/day Moores Creek eXCludes Lodge Creek; Meadow Greek excludes SChenks SranCh. Margin of Safety To allocate loads while protecting the aquatic environment, a margin of safety needs to be considered. For the more urban watersheds in this study, Lodge Creek, Meadow Creek, and Schenks Branch, the margin of safety was calculated as AIIForX urban intersection point VSCI = 60 (AIIForX = 5.543) and 1.) the lower bound of the 80%d confidence interval (AIIForX = 5.01), amounting to V 9.5%. Note that the margin of safety is equal to this difference expressed as a percentage of the AIIForX threshold, and therefore is the same for all urban watersheds using this regression. For the rural watershed, Moores Creek, the margin of safety was calculated as its All -Forest sediment load times the difference in AIIForX between the point where the regression intersected VSCI = 60 (AIIForX = 3.762) and the lower bound of the 80% confidence interval (AIIForX = 3.52). The margin of safety for Moores Creek was 6.3%. Allocation Scenarios The target sediment load for each allocation scenario is the TMDL minus the MOS and 1% of the TMDL allocated as a Future Growth WLA. Several allocation scenarios were created for each watershed. In each scenario, SSOs were to be eliminated and Forest and Permitted WLAs were not subjected to reductions. Areas of harvested forest and construction are transient sources of sediment subject to existing regulations. Their reduction efficiencies were currently estimated as only half of those possible. Both allocation scenarios assumed that these practices would meet their potential reduction efficiencies with better enforcement of existing regulations. The allocation scenario selected by the local Technical Advisory Committee used equal percent reductions from all other sources. The selected allocation scenarios are detailed in Table 64 through 6-7 for Lodge Creek, Moores Creek, Meadow Creek, and Schenks Branch, respectively. The resulting loads for all land uses within Regulated MS4 areas comprised the WLA for the aggregated MS4 areas within each watershed. vi Table ES.3. Sediment TMDL load allocation scenarios for Moores Creek. Existing Load Reduction Area Sediment Allocation Scenario from g319 Land Use/ Source Group (acres) Load % Load Reduction Allocated Load Irnplementation (tons/yr) Reduction Needed (tons/yr) (tons/yr) 11 .4 23.1 1 Non-V64 Permitted WLA"I I 1 1 -4.1 1 4.11 Areas Erosion 121.7 1 713.8 Tatal Loads 1 1 2,318.9 1 11.7•/ 1 271.7 1 2,047.2 Non-MS4 Permitted W LA includes individual VPDES, ISW GP, and other general permited loads. The Allocation Scenario Load for Transitional Land Use equals the construction W LA LA components= 1,237.6 WLAcomponents= 809.6 TKUL - MOS = 2,047.2 J 65.9 Vll Table ES.4. Sediment TMDL load allocation scenarios for Lodge Creek. Land Use/ Source Group Area (acres) Existing Sediment Load (tons/yr) Allocation Scenario % Reduction Load Reduction Needed (tons/yr) IAJlocated Load (tons/yr) Non -Regulated Areas Forest 2.64 0.056 0.056 Harvested Forest 0.03 0.0043 42.9% 0.0018 0.0024 Impervious developed 0.88 0.273 52.2% 0.142 0.131 Pervious developed 4.62 0.663 52.2% 0.346 0.317 Transitional'*' 0.06 0.238 25.0% 0.059 0.178 Channel Erosion 0.011 52.2% 0.006 0.005 Non-MS4 Permitted WLA" 0.000 SSOSI 1 0.00141 100.0%1 0.001 0.000 Non -Regulated Sub -Totals 1.25 44.7% 0.56 0.69 Regulated-MS4 Areas Forest 50.04 1.06 1.06 Impervious developed 156.81 48.60 52.2% 25.35 23.25 Pervious developed 252.66 36.24 52.2% 18.91 17.34 Transitional' 1.12 4.80 25.0% 1.20 3.60 Channel Erosion 0.64 52.2% 0.34 0.31 R ulated-MS4Sub-Totals 91.3 50.1% 45.8 45.6 Future Growth -0.5 0.5 Total Loads 92.6 1 49.5% 45.8 46.8 " Non-MS4 Permitted WLA includes individual VPDES, ISWGP, and other general permited loads. The Allocation Scenario Load for Transitional Land Use equals the construction W LA LA components = 0.5 W LA components = 46.2 TMDL - MOS = 46.8 viii Table ES.S. Sediment TMDL load allocation scenarios for Meadow Creek. Land Use/ Source Group Area (acres) Existing Sediment Load (tons/yr) Allocation Scenario % Reduction Load Reduction Needed (tons/yr) Allocated Load (tons/yr) Non -Regulated Areas Forest 74.0 2.2 2.2 Harvested Forest 0.7 0.17 42.9% 0.07 0.10 Impervious developed 27.5 9.8 52.7% 5.2 4.7 Pervious developed 84.6 11.5 52.7% 6.0 5.4 Transitional*' 1.2 4.0 25.0% 1.0 2.99 Channel Erosion 2.2 52.7% 1.1 1.0 Non-MS4 Permitted WLA** -1.6 1.6 SSOSI 1 0.00021 100.0%1 0.0002 0.0 Non -Regulated Sub -Totals 29.8 39.8% 11.9 18.0 Regulated-MS4 Areas Hay 35.81 14.4 52.7% 7.6 6.8 Forest 598.09 17.7 17.7 Impervious developed 1,337.67 478.4 52.7% 253.5 225.0 Pervious developed 2,249.84 304.7 52.7% 160.5 144.2 Transitional*" 9.96 34.3 25.0% 8.6 25.7 Channel Erosion 49.0 52.7% 25.8 23.2 Re ulated-MS4 Sub -Totals 898.5 50.7% 455.9 442.6 Future Growth I I 1 1 -5.1 5.1 Total Loads 1 1 928.4 1 49.8% 1 462.6 465.7 Non-MS4 Permitted WLA includes individual VPDES, ISWGP, and other general permited loads. The Allocation Scenario Load for Transitional Land Use equals the construction W LA LA components = 13.4 W LA components = 452.3 TMDL - MOS = 465.7 ix Tahle FS_6. Sediment TMDL load allocation scenarios for Schenks Branch. Land Use/ Source Group Area (acres) Existing Sediment Load (tons/yr) Allocation Scenario % Reduction Load Reduction Needed (tons/yr) lAllocated Load (tons/yr) Non -Regulated Areas Forest 5.1 0.1 0.1 Harvested Forest 0.1 0.01 42.9% 0.00 0.01 Impervious developed 22.9 7.8 57.1% 4.5 3.4 Pervious developed 75.7 10.9 57.1% 6.2 4.7 Transitional*** 1.0 4.3 25.0% 1.1 3.2 Channel Erosion 0.2 57.1% 0.1 0.1 Non-MS4 Permitted WLA** -3.0 3.0 SSOs 0.0001 100.0% 0.0001 0.0 Non -Regulated Sub -Totals 23.4 38.1% 8.9 14.5 Regulated-MS4 Areas Forest 44.48 1.3 1.3 Irnpervious developed 475.54 162.4 57.1% 95.7 66.8 Pervious developed 770.51 110.7 57.1% 63.2 47.5 Transitional*** 3.07 13.3 25.0% 3.3 10.0 Channel Erosion 2.6 57.1% 1.5 1.1 Re ulated-MS4 Sub -Totals 290.4 56.4% 163.6 126.7 Future Growth -1.6 1.6 Total Loads 1 313.8 54.5% 1 171.0 142.8 ** Non-MS4 Permitted WLA includes individual VPDES, ISWGP, and other general permited loads. *" The Allocation Scenario Load for Transitional Land Use equals the construction WLA. LA components = 8.3 WLA components = 134.5 TMDL - MOS = 142.8 Future Implementation The goal of the TMDL program is to establish a three -step path that will lead to attainment of water quality standards. The first step in the process is to develop TMDLs that will result in attainment of water quality standards. This report represents the culmination of that effort for the benthic impairments on Lodge Creek, Moores Creek, Schenks Branch, and Meadow Creek. The second step is to develop a TMDL implementation plan. The final step is to implement the TMDL implementation plan and to monitor stream water quality to determine if water quality standards are being attained. x �.J As an alternative to a TMDL implementation plan, watershed plans have also been utilized to identify the actions needed to restore water quality in an impaired waterbody. Typically, the Commonwealth has developed theses plans in instances wherein a stream is impaired, the sources of pollution are well understood, and a TMDL has not been developed. However, their application may be more far reaching. A watershed plan could be appropriate in circumstances such as those present in Lodge Creek, Moores Creek, Schenks Branch, and Meadow Creek, where numerous local and regional planning efforts are currently underway to address regulatory requirements for MS4 permits. In such instances, a watershed plan could be utilized as a broader, more generalized tool to weave together existing plans with additional non -regulatory non -point source pollution controls. Watershed stakeholders will have opportunities to provide input and to participate in the development of the implementation or watershed plan, which will also be supported by regional and local offices of VADEQ and other cooperating agencies. Public Participation Public participation was elicited at every stage of the TMDL development in order to receive inputs from stakeholders and to apprise the stakeholders of the progress made. Technical Advisory Committee (TAC) meetings and public meetings were organized for this purpose. During the original timeframe of this project, a total of two public meetings and five TAC meetings took place from January 2011 until February 2012. Since the original TMDL was rejected by EPA, another series of meetings was held during the current revision phase to re -open the TMDL starting in June 2014 in order to address EPA comments and to re -submit the TMDL. A series of six TAC meetings took place until the project was culminated at a public meeting held on June16, 2015. Reasonable Assurance Through the public participation process, follow-up monitoring, current implementation actions for the Moores Creek Bacteria IP, the respective Xi jurisdictional TMDL Action Plans in MS4 areas, as well as ongoing efforts to reduce sediment to the Chesapeake Bay, such as the MS4s' Chesapeake Bay TMDL Action plans, there is reasonable assurance that the Lodge Creek, Moores Creek, Schenks Branch, and Meadow Creek sediment TMDLs will be implemented and water quality will be restored. xii Section 8. Qualified personnel fhe following personnel are responsible for inspections; Garnett Harris - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-531-5096 Doug Morris - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-531-5098 Jake Noble - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-566-8789 N. George Creswell - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-996-0097 Jeremy Soles -Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-566-3606 Zac Paterson - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 610-348-9745 Keith Lancaster - Planner Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-245-0894 x106 Josh Ott- Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-996-0891 Section 9. Signed Certification CERTIFICATION " I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." Owner/Operator Name: Frank Ballif Company: Southern Property LLC Signature: Date: M Section 10. Delegation of authority. Delegation of Authority I, Frank Ballif, hereby designate the person or specifically described position below to be a duly authorized representative for the purpose of overseeing compliance with environmental requirements, including the Construction General Permit, at the Southwood construction site. The designee is authorized to sign any reports, stormwater pollution prevention plans and all other documents required by the permit. Garnett Harris - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-531-5096 Doug Morris - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-531-5098 Jake Noble - Site Supervisor Southern Development Homes 142 South Pantops Drive ';harlottesville, VA 22911 A34-566-8789 George Creswell -Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-996-0097 Jeremy Soles - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-566-3606 Zac Paterson - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 610-348-9745 Keith Lancaster - Planner Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-245-0894 x106 Josh Ott - Site Supervisor Southern Development Homes 142 South Pantops Drive Charlottesville, VA 22911 434-996-0891 By signing this authorization, I confirm that I meet the requirements to make such a designation as set forth in the Construction General Permit (CGP), and that the designee above meets the definition of a "duly authorized representative". Company: Title: Signature: Date: Southern Property LLC Section 11. General permit copy COMMONWEALTH of VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY General Permit No.: VAR10 Effective Date: July 1, 2019 Expiration Date: June 30, 2024 GENERAL VPDES PERMIT FOR DISCHARGES OF STORMWATER FROM CONSTRUCTION ACTIVITIES AUTHORIZATION TO DISCHARGE UNDER THE VIRGINIA STORMWATER MANAGEMENT PROGRAM AND THE VIRGINIA STORMWATER MANAGEMENT ACT In compliance with the provisions of the Clean Water Act, as amended, and pursuant to the Virginia Stormwater Management Act and regulations adopted pursuant thereto, operators of construction activities are authorized to discharge to surface waters within the boundaries of the Commonwealth of Virginia, except those specifically named in State Water Control Board regulations that prohibit such discharges. The authorized discharge shall be in accordance with the registration statement filed with the Department of Environmental Quality, this cover page, Part I - Discharge Authorization and Special Conditions, Part II - Stormwater Pollution Prevention Plan, and Part III - Conditions Applicable to All VPDES Permits as set forth in this general permit. Construction General Permit Effective July 1, 2019 Page 2 of 26 PART DISCHARGE AUTHORIZATION AND SPECIAL CONDITIONS A. Coverage under this general permit. During the period beginning with the date of coverage under this general permit and lasting until the general permit's expiration date, the operator is authorized to discharge stormwater from construction activities. 2. This general permit also authorizes stormwater discharges from support activities (e.g., concrete or asphalt batch plants, equipment staging yards, material storage areas, excavated material disposal areas, borrow areas) located on -site or off -site provided that: a. The support activity is directly related to the construction activity that is required to have general permit coverage for discharges of stormwater from construction activities; b. The support activity is not a commercial operation, nor does it serve multiple unrelated construction activities by different operators; c. The support activity does not operate beyond the completion of the last construction activity it supports; d. The support activity is identified in the registration statement at the time of general permit coverage; e. Appropriate control measures are identified in a stormwater pollution prevention plan and implemented to address the discharges from the support activity areas; and f. All applicable state, federal, and local approvals are obtained for the support activity. B. Limitations on coverage. 1. Post -construction discharges. This general permit does not authorize stormwater discharges that originate from the site after construction activities have been completed and the site, including any support activity sites covered under the general permit registration, has undergone final stabilization. Post -construction industrial stormwater discharges may need to be covered by a separate VPDES permit. 2. Discharges mixed with nonstormwater. This general permit does not authorize discharges that are mixed with sources of nonstormwater, other than those discharges that are identified in Part I E (Authorized nonstormwater discharges) and are in compliance with this general permit. 3. Discharges covered by another state permit. This general permit does not authorize discharges of stormwater from construction activities that have been covered under an individual permit or required to obtain coverage under an alternative general permit. Page 3 of 26 4. Impaired waters and total maximum daily load (TMDL) limitation. a. Nutrient and sediment impaired waters. Discharges of stormwater from construction activities to surface waters identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit for (i) sediment or a sediment -related parameter (i.e., total suspended solids or turbidity) or (ii) nutrients (i.e., nitrogen or phosphorus) are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a stormwater pollution prevention plan (SWPPP) in accordance with Part II B 5 of this permit that minimizes the pollutants of concern and, when applicable, is consistent with the assumptions and requirements of the approved TMDL wasteload allocations and implements an inspection frequency consistent with Part II G 2 a. b. Polychlorinated biphenyl (PCB) impaired waters. Discharges of stormwater from construction activities that include the demolition of any structure with at least 10,000 square feet of floor space built or renovated before January 1, 1980, to surface waters identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or for which a TMDL wasteload allocation has been established and approved prior to the term of this general permit for PCB are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a SWPPP in accordance with Part II B 6 of this permit that minimizes the pollutants of concern and, when applicable, is consistent with the assumptions and requirements of the approved TMDL wasteload allocations, and implements an inspection frequency consistent with Part II G 2 a. 5. Exceptional waters limitation. Discharges of stormwater from construction activities not previously covered under the general permit effective on July 1, 2014, to exceptional waters identified in 9VAC25-260-30 A 3 c are not eligible for coverage under this general permit unless the operator develops, implements, and maintains a SWPPP in accordance with Part II B 7 of this permit and implements an inspection frequency consistent with Part II G 2 a. 6. There shall be no discharge of floating solids or visible foam in other than trace amounts. C. Commingled discharges. Discharges authorized by this general permit may be commingled with other sources of stormwater that are not required to be covered under a state permit, so long as the commingled discharge is in compliance with this general permit. Discharges authorized by a separate state or VPDES permit may be commingled with discharges authorized by this general permit so long as all such discharges comply with all applicable state and VPDES permit requirements. D. Prohibition of nonstormwater discharges. Except as provided in Parts I A 2, 1 C, and I E, all discharges covered by this general permit shall be composed entirely of stormwater associated with construction activities. All other discharges including the following are prohibited: 1. Wastewater from washout of concrete; 2. Wastewater from the washout and cleanout of stucco, paint, form release oils, curing compounds, and other construction materials; FWA Page 4 of 26 3. Fuels, oils, or other pollutants used in vehicle and equipment operation and maintenance; 4. Oils, toxic substances, or hazardous substances from spills or other releases; and 5. Soaps, solvents, or detergents used in equipment and vehicle washing. E. Authorized nonstormwater discharges. The following nonstormwater discharges from construction activities are authorized by this general permit when discharged in compliance with this general permit: 1. Discharges from firefighting activities; 2. Fire hydrant flushings; 3. Waters used to wash vehicles or equipment where soaps, solvents, or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge; 4. Water used to control dust that has been filtered, settled, or similarly treated prior to discharge; 5. Potable water sources, including uncontaminated waterline flushings, managed in a manner to avoid an instream impact; 6. Routine external building wash down where soaps, solvents or detergents have not been used and the wash water has been filtered, settled, or similarly treated prior to discharge; 7. Pavement wash waters where spills or leaks of toxic or hazardous materials have not occurred (or where all spilled or leaked material has been removed prior to washing); where soaps, solvents, or detergents have not been used; and where the wash water has been filtered, settled, or similarly treated prior to discharge; 8. Uncontaminated air conditioning or compressor condensate; 9. Uncontaminated ground water or spring water; 10. Foundation or footing drains where flows are not contaminated with process materials such as solvents; 11. Uncontaminated excavation dewatering, including dewatering of trenches and excavations that have been filtered, settled, or similarly treated prior to discharge; and 12. Landscape irrigation. F. Termination of general permit coverage. 1. The operator of the construction activity shall submit a notice of termination in accordance with 9VAC25-880-60, unless a registration statement was not required to be submitted in accordance with 9VAC25-880-50 A 1 c or A 2 b for single-family detached residential structures, to the VSMP authority after one or more of the following conditions have been met: Sri Page 5 of 26 a. Necessary permanent control measures included in the SWPPP for the site are in place and functioning effectively and final stabilization has been achieved on all portions of the site for which the operator has operational control. When applicable, long term responsibility and maintenance requirements for permanent control measures shall be recorded in the local land records prior to the submission of a complete and accurate notice of termination and the construction record drawing prepared; b. Another operator has assumed control over all areas of the site that have not been finally stabilized and obtained coverage for the ongoing discharge; c. Coverage under an alternative VPDES or state permit has been obtained; or d. For individual lots in residential construction only, final stabilization as defined in 9VAC25- 880-1 has been completed, including providing written notification to the homeowner and incorporating a copy of the notification and signed certification statement into the SWPPP, and the residence has been transferred to the homeowner. 2. The notice of termination shall be submitted no later than 30 days after one of the above conditions in subdivision 1 of this subsection is met. 3. Termination of authorization to discharge for the conditions set forth in subdivision 1 a of this subsection shall be effective upon notification from the department that the provisions of subdivision 1 a of this subsection have been met or 60 days after submittal of a complete and accurate notice of termination in accordance with 9VAC25-880-60 C, whichever occurs first. 4. Authorization to discharge terminates at midnight on the date that the notice of termination is submitted for the conditions set forth in subdivisions 1 b through 1 d of this subsection unless otherwise noted by the VSMP authority or department. 5. The notice of termination shall be signed in accordance with Part III K of this general permit. G. Water quality protection. 1. The operator shall select, install, implement, and maintain control measures as identified in the SWPPP at the construction site that minimize pollutants in the discharge as necessary to ensure that the operator's discharge does not cause or contribute to an excursion above any applicable water quality standard. 2. If it is determined by the department that the operator's discharges are causing, have reasonable potential to cause, or are contributing to an excursion above any applicable water quality standard, the department, in consultation with the VSMP authority, may take appropriate enforcement action and require the operator to: Modify or implement additional control measures in accordance with Part II C to adequately address the identified water quality concerns; b. Submit valid and verifiable data and information that are representative of ambient conditions and indicate that the receiving water is attaining water quality standards; or Fri Page 6 of 26 c. Submit an individual permit application in accordance with 9VAC25-870410 B 3. All written responses required under this chapter shall include a signed certification consistent with Part III K. PART II STORMWATER POLLUTION PREVENTION PLAN A. Stormwater pollution prevent plan. A stormwater pollution prevention plan (SWPPP) shall be developed prior to the submission of a registration statement and implemented for the construction activity, including any support activity, covered by this general permit. SWPPPs shall be prepared in accordance with good engineering practices. Construction activities that are part of a larger common plan of development or sale and disturb less than one acre may utilize a SWPPP template provided by the department and need not provide a separate stormwater management plan if one has been prepared and implemented for the larger common plan of development or sale. The SWPPP requirements of this general permit may be fulled by incorporating by reference other plans such as a spill prevention control and countermeasure (SPCC) plan developed for the site under § 311 of the federal Clean Water Act or best management practices (BMP) programs otherwise required for the facility provided that the incorporated plan meets or exceeds the SWPPP requirements of Part II B. All plans incorporated by reference into the SWPPP become enforceable under this general permit. If a plan incorporated by reference does not contain all of the required elements of the SWPPP, the operator shall develop the missing elements and include them in the SWPPP. 3. Any operator that was authorized to discharge under the general permit effective July 1, 2014, and that intends to continue coverage under this general permit, shall update its stormwater pollution prevention plan to comply with the requirements of this general permit no later than 60 days after the date of coverage under this general permit. B. Contents. The SWPPP shall include the following items: 1. General information. a. A signed copy of the registration statement, if required, for coverage under the general VPDES permit for discharges of stormwater from construction activities; b. Upon receipt, a copy of the notice of coverage under the general VPDES permit for discharges of stormwater from construction activities (i.e., notice of coverage letter), c. Upon receipt, a copy of the general VPDES permit for discharges of stormwater from construction activities; d. A narrative description of the nature of the construction activity, including the function of the project (e.g., low density residential, shopping mail, highway, etc.); e. A legible site plan identifying: Page 7 of 26 (1) Directions of stormwater flow and approximate slopes anticipated after major grading activities; (2) Limits of land disturbance including steep slopes and natural buffers around surface waters that will not be disturbed; (3) Locations of major structural and nonstructural control measures, including sediment basins and traps, perimeter dikes, sediment barriers, and other measures intended to filter, settle, or similarly treat sediment, that will be installed between disturbed areas and the undisturbed vegetated areas in order to increase sediment removal and maximize stormwater infiltration; (4) Locations of surface waters; (5) Locations where concentrated stormwater is discharged; (6) Locations of any support activities, including (i) areas where equipment and vehicle washing, wheel wash water, and other wash water is to occur; (ii) storage areas for chemicals such as acids, fuels, fertilizers, and other lawn care chemicals; (iii) concrete wash out areas; (iv) vehicle fueling and maintenance areas; (v) sanitary waste facilities, including those temporarily placed on the construction site; and (vi) construction waste storage; and (7) When applicable, the location of the on -site rain gauge or the methodology established in consultation with the VSMP authority used to identify measurable storm events for inspection as allowed by Part II G 2 a (1) (ii) or Part II G 2 b (2). 2. Erosion and sediment control plan. An erosion and sediment control plan designed and approved in accordance with the Virginia Erosion and Sediment Control Regulations (9VAC25-840), an "agreement in lieu of a plan" as defined in 9VAC25-840-10 from the VESCP authority, or an erosion and sediment control plan prepared in accordance with annual standards and specifications approved by the department. b. All erosion and sediment control plans shall include a statement describing the maintenance responsibilities required for the erosion and sediment controls used. c. An approved erosion and sediment control plan, "agreement in lieu of a plan," or erosion and sediment control plan prepared in accordance with department -approved annual standards and specifications, implemented to: (1) Control the volume and velocity of stormwater runoff within the site to minimize soil erosion; (2) Control stormwater discharges, including peak flow rates and total stormwater volume, to minimize erosion at outlets and to minimize downstream channel and stream bank erosion; Page 8 of 26 (3) Minimize the amount of soil exposed during the construction activity; (4) Minimize the disturbance of steep slopes; (5) Minimize sediment discharges from the site in a manner that addresses (i) the amount, frequency, intensity, and duration of precipitation; (ii) the nature of resulting stormwater runoff; and (iii) soil characteristics, including the range of soil particle sizes present on the site; (6) Provide and maintain natural buffers around surface waters, direct stormwater to vegetated areas to increase sediment removal, and maximize stormwater infiltration, unless infeasible; (7) Minimize soil compaction and, unless infeasible, preserve topsoil; (8) Ensure initiation of stabilization activities, as defined in 9VAC25-880-1, of disturbed areas immediately whenever any clearing, grading, excavating, or other land - disturbing activities have permanently ceased on any portion of the site, or temporarily ceased on any portion of the site and will not resume for a period exceeding 14 days; and (9) Utilize outlet structures that withdraw stormwater from the surface (i.e., above the permanent pool or wet storage water surface elevation), unless infeasible, when discharging from sediment basins or sediment traps. 3. Stormwater management plan. a. Except for those projects identified in Part II B 3 b, a stormwater management plan approved by the VSMP authority as authorized under the Virginia Stormwater Management Program (VSMP) Regulation (9VAC25-870), or an "agreement in lieu of a stormwater management plan" as defined in 9VAC25-870-10 from the VSMP authority, or a stormwater management plan prepared in accordance with annual standards and specifications approved by the department. b. For any operator meeting the conditions of 9VAC25-870-47 B of the VSMP regulation, an approved stormwater management plan is not required. In lieu of an approved stormwater management plan, the SWPPP shall include a description of, and all necessary calculations supporting, all post -construction stormwater management measures that will be installed prior to the completion of the construction process to control pollutants in stormwater discharges after construction operations have been completed. Structural measures should be placed on upland soils to the degree possible. Such measures must be designed and installed in accordance with applicable VESCP authority, VSMP authority, state, and federal requirements, and any necessary permits must be obtained. Pollution prevention plan. A pollution prevention plan that addresses potential pollutant - generating activities that may reasonably be expected to affect the quality of stormwater discharges from the construction activity, including any support activity. The pollution prevention plan shall: a. Identify the potential pollutant -generating activities and the pollutant that is expected to be exposed to stormwater; Page 9 of 26 b. Describe the location where the potential pollutant -generating activities will occur, or if identified on the site plan, reference the site plan; c. Identify all nonstormwater discharges, as authorized in Part I E of this general permit, that are or will be commingled with stormwater discharges from the construction activity, including any applicable support activity; d. Identify the person responsible for implementing the pollution prevention practice or practices for each pollutant -generating activity (if other than the person listed as the qualified personnel); e. Describe the pollution prevention practices and procedures that will be implemented to: (1) Prevent and respond to leaks, spills, and other releases including (i) procedures for expeditiously stopping, containing, and cleaning up spills, leaks, and other releases; and (ii) procedures for reporting leaks, spills, and other releases in accordance with Part III G; (2) Prevent the discharge of spilled and leaked fuels and chemicals from vehicle fueling and maintenance activities (e.g., providing secondary containment such as spill berms, decks, spill containment pallets, providing cover where appropriate, and having spill kits readily available); (3) Prevent the discharge of soaps, solvents, detergents, and wash water from construction materials, including the clean-up of stucco, paint, form release oils, and curing compounds (e.g., providing (i) cover (e.g., plastic sheeting or temporary roofs) to prevent contact with stormwater; (ii) collection and proper disposal in a manner to prevent contact with stormwater; and (iii) a similarly effective means designed to prevent discharge of these pollutants); (4) Minimize the discharge of pollutants from vehicle and equipment washing, wheel wash water, and other types of washing (e.g., locating activities away from surface waters and stormwater inlets or conveyance and directing wash waters to sediment basins or traps, using filtration devices such as filter bags or sand filters, or using similarly effective controls); (5) Direct concrete wash water into a leak -proof container or leak -proof settling basin. The container or basin shall be designed so that no overflows can occur due to inadequate sizing or precipitation. Hardened concrete wastes shall be removed and disposed of in a manner consistent with the handling of other construction wastes. Liquid concrete wastes shall be removed and disposed of in a manner consistent with the handling of other construction wash waters and shall not be discharged to surface waters; (6) Minimize the discharge of pollutants from storage, handling, and disposal of construction products, materials, and wastes including (i) building products such as asphalt sealants, copper flashing, roofing materials, adhesives, and concrete admixtures; (ii) pesticides, herbicides, insecticides, fertilizers, and landscape Page 10 of 26 materials; and (iii) construction and domestic wastes such as packaging materials, scrap construction materials, masonry products, timber, pipe and electrical cuttings, plastics, Styrofoam, concrete, and other trash or building materials; (7) Prevent the discharge of fuels, oils, and other petroleum products, hazardous or toxic wastes, waste concrete, and sanitary wastes; (8) Address any other discharge from the potential pollutant -generating activities not addressed above; (9) Minimize the exposure of waste materials to precipitation by closing or covering waste containers during precipitation events and at the end of the business day, or implementing other similarly effective practices. Minimization of exposure is not required in cases where the exposure to precipitation will not result in a discharge of pollutants; and f. Describe procedures for providing pollution prevention awareness of all applicable wastes, including any wash water, disposal practices, and applicable disposal locations of such wastes, to personnel in order to comply with the conditions of this general permit. The operator shall implement the procedures described in the SWPPP. 5. SWPPP requirements for discharges to nutrient and sediment impaired waters. For discharges to surface waters (i) identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or (ii) with an applicable TMDL wasteload allocation established and approved prior to the term of this general permit for sediment for a sediment - related parameter (i.e., total suspended solids or turbidity) or nutrients (i.e., nitrogen or phosphorus), the operator shall: a. Identify the impaired waters, approved TMDLs, and pollutants of concern in the SWPPP; and b. Provide clear direction in the SWPPP that: (1) Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; (2) Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and (3) A modified inspection schedule shall be implemented in accordance with Part II G 2 a. 6. SWPPP requirements for discharges to polychlorinated biphenyl (PCB) impaired waters. For discharges from construction activities that include the demolition of any structure with at least 10,000 square feet of floor space built or renovated before January 1, 1980, to surface waters (i) identified as impaired in the 2016 § 305(b)/303(d) Water Quality Assessment Integrated Report or (ii) with an applicable TMDL wasteload allocation established and approved prior to the term of this general permit for PCB, the operator shall: Page 11 of 26 a. Identify the impaired waters, approved TMDLs, and pollutant of concern in the SWPPP; b. Implement the approved erosion and sediment control plan in accordance with Part II B 2; c. Dispose of waste materials in compliance with applicable state, federal, and local requirements; and d. Implement a modified inspection schedule in accordance with Part II G 2 a. 7. SWPPP requirements for discharges to exceptional waters. For discharges to surface waters identified in 9VAC25-260-30 A 3 c as an exceptional water, the operator shall: a. Identify the exceptional surface waters in the SWPPP; and b. Provide clear direction in the SWPPP that: (1) Permanent or temporary soil stabilization shall be applied to denuded areas within seven days after final grade is reached on any portion of the site; (2) Nutrients shall be applied in accordance with manufacturer's recommendations or an approved nutrient management plan and shall not be applied during rainfall events; and (3) A modified inspection schedule shall be implemented in accordance with Part II G 2 a. 8. Identification of qualified personnel. The name, phone number, and qualifications of the qualified personnel conducting inspections required by this general permit. 9. Delegation of authority. The individuals or positions with delegated authority, in accordance with Part III K, to sign inspection reports or modify the SWPPP. 10. SWPPP signature. The SWPPP shall be signed and dated in accordance with Part III K. C. SWPPP amendments, modification, and updates. 1. The operator shall amend the SWPPP whenever there is a change in the design, construction, operation, or maintenance that has a significant effect on the discharge of pollutants to surface waters and that has not been previously addressed in the SWPPP. 2. The SWPPP shall be amended if, during inspections or investigations by the operator's qualified personnel, or by local, state, or federal officials, it is determined that the existing control measures are ineffective in minimizing pollutants in discharges from the construction activity. Revisions to the SWPPP shall include additional or modified control measures designed and implemented to correct problems identified. If approval by the VESCP authority, VSMP authority, or department is necessary for the control measure, revisions to the SWPPP shall be completed no later than seven calendar days following approval. Implementation of these additional or modified control measures shall be accomplished as described in Part II H. Page 12 of 26 The SWPPP shall clearly identify the contractors that will implement and maintain each control measure identified in the SWPPP. The SWPPP shall be amended to identify any new contractor that will implement and maintain a control measure. 4. The operator shall update the SWPPP as soon as following any modification to its implementation. All shall be noted and shall include the following items: a. A record of dates when: (1) Major grading activities occur; possible but no later than seven days modifications or updates to the SWPPP (2) Construction activities temporarily or permanently cease on a portion of the site: and (3) Stabilization measures are initiated; Documentation of replaced or modified controls where periodic inspections or other information have indicated that the controls have been used inappropriately or incorrectly and were modified; c. Areas that have reached final stabilization and where no further SWPPP or inspection requirements apply; d. All properties that are no longer under the legal control of the operator and the dates on which the operator no longer had legal control over each property; e. The date of any prohibited discharges, the discharge volume released, and what actions were taken to minimize the impact of the release; f. Measures taken to prevent the reoccurrence of any prohibited discharge; and Measures taken to address any evidence identified as a result of an inspection required under Part II G. 5. Amendments, modifications, or updates to the SWPPP shall be signed in accordance with Part III K. D. Public notification. Upon commencement of land disturbance, the operator shall post conspicuously a copy of the notice of coverage letter near the main entrance of the construction activity. For linear projects, the operator shall post the notice of coverage letter at a publicly accessible location near an active part of the construction project (e.g., where a pipeline crosses a public road). The operator shall maintain the posted information until termination of general permit coverage as specified in Part I F. E. SWPPP availability. 1. Operators with day-to-day operational control over SWPPP implementation shall have a copy of the SWPPP available at a central location on -site for use by those identified as having responsibilities under the SWPPP whenever they are on the construction site. �.J Page 13 of 26 The operator shall make the SWPPP and all amendments, modifications, and updates available upon request to the department, the VSMP authority, the EPA, the VESCP authority, local government officials, or the operator of a municipal separate storm sewer system receiving discharges from the construction activity. If an on -site location is unavailable to store the SWPPP when no personnel are present, notice of the SWPPP's location shall be posted near the main entrance of the construction site. 3. The operator shall make the SWPPP available for public review in an electronic format or in hard copy. Information for public access to the SWPPP shall be posted and maintained in accordance with Part II D. If not provided electronically, public access to the SWPPP may be arranged upon request at a time and at a publicly accessible location convenient to the operator or his designee but shall be no less than once per month and shall be during normal business hours. Information not required to be contained within the SWPPP by this general permit is not required to be released. F. SWPPP implementation. The operator shall implement the SWPPP and subsequent amendments, modifications, and updates from commencement of land disturbance until termination of general permit coverage as specified in Part I F. All control measures shall be properly maintained in effective operating condition in accordance with good engineering practices and, where applicable, manufacturer specifications. If a site inspection required by Part II G identifies a control measure that is not operating effectively, corrective actions shall be completed as soon as practicable, but no later than seven days after discovery or a longer period as established by the VSMP authority, to maintain the continued effectiveness of the control measures. 2. If site inspections required by Part II G identify an existing control measure that needs to be modified or If an additional or alternative control measure is necessary for any reason, implementation shall be completed prior to the next anticipated measurable storm event. If implementation prior to the next anticipated measurable storm event is impracticable, then additional or alternative control measures shall be implemented as soon as practicable, but no later than seven days after discovery or a longer period as established by the VSMP authority. G. SWPPP Inspections. 1. Personnel responsible for on -site and off -site inspections. Inspections required by this general permit shall be conducted by the qualified personnel identified by the operator in the SWPPP. The operator is responsible for ensuring that the qualified personnel conduct the inspection. 2. Inspection schedule. a. For construction activities that discharge to a surface water identified in Part II B 5 and B 6 as impaired or having an approved TMDL or Part I B 7 as exceptional, the following inspection schedule requirements apply: (1) Inspections shall be conducted at a frequency of (i) at least once every four business days or (ii) at least once every five business days and no later than 24 hours following a measurable storm event. In the event that a measurable storm event occurs when 11� Page 14 of 26 there are more than 24 hours between business days, the inspection shall be conducted on the next business day; and (2) Representative inspections as authorized in Part II G 2 d shall not be allowed. b. Except as specified in Part II G 2 a, inspections shall be conducted at a frequency of: (1) At least once every five business days; or (2) At least once every 10 business days and no later than 24 hours following a measurable storm event. In the event that a measurable storm event occurs when there are more than 24 hours between business days, the inspection shall be conducted on the next business day. c. Where areas have been temporarily stabilized or land -disturbing activities will be suspended due to continuous frozen ground conditions and stormwater discharges are unlikely, the inspection frequency described in Part II G 2 a and 2 b may be reduced to once per month. If weather conditions (such as above freezing temperatures or rain or snow events) make discharges likely, the operator shall immediately resume the regular inspection frequency. d. Except as prohibited in Part II G 2 a (2), representative inspections may be utilized for utility line installation, pipeline construction, or other similar linear construction activities provided that: (1) Temporary or permanent soil stabilization has been installed and vehicle access may compromise the temporary or permanent soil stabilization and potentially cause additional land disturbance increasing the potential for erosion; (2) Inspections occur on the same frequency as other construction activities; (3) Control measures are inspected along the construction site 0.25 miles above and below each access point (i.e., where a roadway, undisturbed right-of-way, or other similar feature intersects the construction activity and access does not compromise temporary or permanent soil stabilization); and (4) Inspection locations are provided in the inspection report required by Part II G. e. If adverse weather causes the safety of the inspection personnel to be in jeopardy, the inspection may be delayed until the next business day on which it is safe to perform the inspection. Any time inspections are delayed due to adverse weather conditions, evidence of the adverse weather conditions shall be included in the SWPPP with the dates of occurrence. 3. Inspection requirements. a. As part of the inspection, the qualified personnel shall: (1) Record the date and time of the inspection and, when applicable, the date and rainfall amount of the last measurable storm event; Page 15 of 26 (2) Record the information and a description of any discharges occurring at the time of the inspection or evidence of discharges occurring prior to the inspection; (3) Record any land -disturbing activities that have occurred outside of the approved erosion and sediment control plan; (4) Inspect the following for installation in accordance with the approved erosion and sediment control plan, identification of any maintenance needs, and evaluation of effectiveness in minimizing sediment discharge, including whether the control has been inappropriately or incorrectly used: (a) All perimeter erosion and sediment controls, such as silt fence; (b) Soil stockpiles, when applicable, and borrow areas for stabilization or sediment trapping measures; (c) Completed earthen structures, such as dams, dikes, ditches, and diversions for stabilization and effective impoundment or flow control; (d) Cut and fill slopes; (e) Sediment basins and traps, sediment barriers, and other measures installed to control sediment discharge from stormwater; (f) Temporary or permanent channels, flumes, or other slope drain structures installed to convey concentrated runoff down cut and fill slopes; (g) Storm inlets that have been made operational to ensure that sediment laden stormwater does not enter without first being filtered or similarly treated; and (h) Construction vehicle access routes that intersect or access paved or public roads for minimizing sediment tracking; (5) Inspect areas that have reached final grade or that will remain dormant for more than 14 days to ensure: (a) Initiation of stabilization activities have occurred immediately, as defined in 9VAC25-880-1; and (b) Stabilization activities have been completed within seven days of reaching grade or stopping work; (6) Inspect for evidence that the approved erosion and sediment control plan, "agreement in lieu of a plan," or erosion and sediment control plan prepared in accordance with department -approved annual standards and specifications has not been properly implemented. This includes: Page 16 of 26 (a) Concentrated flows of stormwater in conveyances such as rills, rivulets, of channels that have not been filtered, settled, or similarly treated prior to discharge, or evidence thereof; (b) Sediment laden or turbid flows of stormwater that have not been filtered or settled to remove sediments prior to discharge; (c) Sediment deposition in areas that drain to unprotected stormwater inlets or catch basins that discharge to surface waters. Inlets and catch basins with failing sediment controls due to improper installation, lack of maintenance, or inadequate design are considered unprotected; (d) Sediment deposition on any property (including public and private streets) outside of the construction activity covered by this general permit; (e) Required stabilization has not been initiated or completed or is not effective on portions of the site; (f) Sediment basins without adequate wet or dry storage volume or sediment basins that allow the discharge of stormwater from below the surface of the wet storage portion of the basin; (g) Sediment traps without adequate wet or dry storage or sediment traps that allow the discharge of stormwater from below the surface of the wet storage portion of the trap; and (h) Land disturbance or sediment deposition outside of the approved area to be disturbed; (7) Inspect pollutant generating activities identified in the pollution prevention plan for the proper implementation, maintenance, and effectiveness of the procedures and practices; (S) Identify any pollutant generating activities not identified in the pollution prevention plan; and (9) Identify and document the presence of any evidence of the discharge of pollutants prohibited by this general permit. 4. Inspection report. Each inspection report shall include the following items: a. The date and time of the inspection and, when applicable, the date and rainfall amount of the last measurable storm event; b. Summarized findings of the inspection; c. The locations of prohibited discharges; d. The locations of control measures that require maintenance. Page 17 of 26 e. The locations of control measures that failed to operate as designed or proved inadequate or inappropriate for a particular location; f. The locations where any evidence identified under Part II G 3 a (6) exists; g. The locations where any additional control measure is needed; h. A list of corrective actions required (including any changes to the SWPPP that are necessary) as a result of the inspection or to maintain permit compliance; i. Documentation of any corrective actions required from a previous inspection that have not been implemented; and j. The date and signature of the qualified personnel and the operator or its duly authorized representative. 5. The inspection report shall be included into the SWPPP no later than four business days after the inspection is complete. 6. The inspection report and any actions taken in accordance with Part II shall be retained by the operator as part of the SWPPP for at least three years from the date that general permit coverage expires or is terminated. The inspection report shall identify any incidents of noncompliance. Where an inspection report does not identify any incidents of noncompliance, the report shall contain a certification that the construction activity is in compliance with the SWPPP and this general permit. The report shall be signed in accordance with Part III K of this general permit. H. Corrective actions. The operator shall implement the corrective actions identified as a result of an inspection as soon as practicable but no later than seven days after discovery or a longer period as approved by the VSMP authority. If approval of a corrective action by a regulatory authority (e.g., VSMP authority, VESCP authority, or the department) is necessary, additional control measures shall be implemented to minimize pollutants in stormwater discharges until such approvals can be obtained. The operator may be required to remove accumulated sediment deposits located outside of the construction activity covered by this general permit as soon as practicable in order to minimize environmental impacts. The operator shall notify the VSMP authority and the department as well as obtain all applicable federal, state, and local authorizations, approvals, and permits prior to the removal of sediments accumulated in surface waters including wetlands. Page 18 of 26 PART III CONDITIONS APPLICABLE TO ALL VPDES PERMITS NOTE: Discharge monitoring is not required for this general permit. If the operator chooses to monitor stormwater discharges or control measures, the operator shall comply with the requirements of subsections A, B, and C, as appropriate. A. Monitoring. 1. Samples and measurements taken for the purpose of monitoring shall be representative of the monitoring activity. Monitoring shall be conducted according to procedures approved under 40 CFR Part 136 or alternative methods approved by the U.S. Environmental Protection Agency, unless other procedures have been specified in this general permit. Analyses performed according to test procedures approved under 40 CFR Part 136 shall be performed by an environmental laboratory certified under regulations adopted by the Department of General Services (1 VAC30-45 or 1 VAC30-46). 3. The operator shall periodically calibrate and perform maintenance procedures on all monitoring and analytical instrumentation at intervals that will ensure accuracy of measurements. B. Records. 1. Monitoring records and reports shall include: a. The date, exact place, and time of sampling or measurements; b. The individuals who performed the sampling or measurements; c. The dates and times analyses were performed; d. The individuals who performed the analyses; e. The analytical techniques or methods used; and f. The results of such analyses. 2. The operator shall retain records of all monitoring information, including all calibration and maintenance records and all original strip chart recordings for continuous monitoring instrumentation, copies of all reports required by this general permit, and records of all data used to complete the registration statement for this general permit, for a period of at least three years from the date of the sample, measurement, report or request for coverage. This period of retention shall be extended automatically during the course of any unresolved litigation regarding the regulated activity or regarding control standards applicable to the operator, or as requested by the board. C. Reporting monitoring results. Page 19 of 26 The operator shall update the SWPPP to include the results of the monitoring as may be performed in accordance with this general permit, unless another reporting schedule is specified elsewhere in this general permit. 2. Monitoring results shall be reported on a discharge monitoring report (DMR); on forms provided, approved or specified by the department; or in any format provided that the date, location, parameter, method, and result of the monitoring activity are included. 3. If the operator monitors any pollutant specifically addressed by this general permit more frequently than required by this general permit using test procedures approved under 40 CFR Part 136 or using other test procedures approved by the U.S. Environmental Protection Agency or using procedures specified in this general permit, the results of this monitoring shall be included in the calculation and reporting of the data submitted in the DMR or reporting form specified by the department. 4. Calculations for all limitations which require averaging of measurements shall utilize an arithmetic mean unless otherwise specified in this general permit. D. Duty to provide information. The operator shall furnish, within a reasonable time, any information which the board may request to determine whether cause exists for terminating this general permit coverage or to determine compliance with this general permit. The board, department, EPA, or VSMP authority may require the operator to furnish, upon request, such plans, specifications, and other pertinent information as may be necessary to determine the effect of the wastes from his discharge on the quality of surface waters, or such other information as may be necessary to accomplish the purposes of the CWA and the Virginia Stormwater Management Act. The operator shall also furnish to the board, department, EPA, or VSMP authority, upon request, copies of records required to be kept by this general permit. E. Compliance schedule reports. Reports of compliance or noncompliance with, or any progress reports on, interim and final requirements contained in any compliance schedule of this general permit shall be submitted no later than 14 days following each schedule date. F. Unauthorized stormwater discharges. Pursuant to § 62.1-44.5 of the Code of Virginia, except in compliance with a state permit issued by the department, it shall be unlawful to cause a stormwater discharge from a construction activity. G. Reports of unauthorized discharges. Any operator who discharges or causes or allows a discharge of sewage, industrial waste, other wastes or any noxious or deleterious substance or a hazardous substance or oil in an amount equal to or in excess of a reportable quantity established under either 40 CFR Part 110, 40 CFR Part 117, 40 CFR Part 302, or § 62.1-44.34:19 of the Code of Virginia that occurs during a 24-hour period into or upon surface waters or who discharges or causes or allows a discharge that may reasonably be expected to enter surface waters, shall notify the Department of Environmental Quality of the discharge immediately upon discovery of the discharge, but in no case later than within 24 hours after said discovery. A written report of the unauthorized discharge shall be submitted to the department and the VSMP authority within five days of discovery of the discharge. The written report shall contain: 1. A description of the nature and location of the discharge; 2. The cause of the discharge; 21111115 Page 20 of 26 3. The date on which the discharge occurred; 4. The length of time that the discharge continued; 5. The volume of the discharge; 6. If the discharge is continuing, how long it is expected to continue; 7. If the discharge is continuing, what the expected total volume of the discharge will be; and 8. Any steps planned or taken to reduce, eliminate and prevent a recurrence of the present discharge or any future discharges not authorized by this general permit. Discharges reportable to the department and the VSMP authority under the immediate reporting requirements of other regulations are exempted from this requirement. H. Reports of unusual or extraordinary discharges. If any unusual or extraordinary discharge including a "bypass" or "upset," as defined in this general permit, should occur from a facility and the discharge enters or could be expected to enter surface waters, the operator shall promptly notify, in no case later than within 24 hours, the department and the VSMP authority by telephone after the discovery of the discharge. This notification shall provide all available details of the incident, including any adverse effects on aquatic life and the known number of fish killed. The operator shall reduce the report to writing and shall submit it to the department and the VSMP authority within five days of discovery of the discharge in accordance with Part III 12. Unusual and extraordinary discharges include any discharge resulting from: 1. Unusual spillage of materials resulting directly or indirectly from processing operations; 2. Breakdown of processing or accessory equipment; 3. Failure or taking out of service of some or all of the facilities; and 4. Flooding or other acts of nature. I. Reports of noncompliance. The operator shall report any noncompliance which may adversely affect surface waters or may endanger public health. An oral report to the department and the VSMP authority shall be provided within 24 hours from the time the operator becomes aware of the circumstances. The following shall be included as information that shall be reported within 24 hours under this subdivision: a. Any unanticipated bypass; and b. Any upset that causes a discharge to surface waters. 2. A written report shall be submitted within five days and shall contain: a. A description of the noncompliance and its cause; Page 21 of 26 b. The period of noncompliance, including exact dates and times, and if the noncompliance has not been corrected, the anticipated time it is expected to continue; and c. Steps taken or planned to reduce, eliminate, and prevent reoccurrence of the noncompliance. The department may waive the written report on a case -by -case basis for reports of noncompliance under Part III I if the oral report has been received within 24 hours and no adverse impact on surface waters has been reported. 3. The operator shall report all instances of noncompliance not reported under Part III 11 or 2 in writing as part of the SWPPP. The reports shall contain the information listed in Part III 1 2. NOTE: The reports required in Part III G, H and I shall be made to the department and the VSMP authority. Reports may be made by telephone, email, or by fax. For reports outside normal working hours, leaving a recorded message shall fulfill the immediate reporting requirement. For emergencies, the Virginia Department of Emergency Management maintains a 24-hour telephone service at 1-800-468-8892. 4. Where the operator becomes aware of a failure to submit any relevant facts, or submittal of incorrect information in any report, including a registration statement, to the department or the VSMP authority, the operator shall promptly submit such facts or correct information. J. Notice of planned changes. 4, 1. The operator shall give notice to the department and the VSMP authority as soon as possible of any planned physical alterations or additions to the permitted facility or activity. Notice is required only when: a. The operator plans an alteration or addition to any building, structure, facility, or installation that may meet one of the criteria for determining whether a facility is a new source in 9VAC25-870-420; b. The operator plans an alteration or addition that would significantly change the nature or increase the quantity of pollutants discharged. This notification applies to pollutants that are not subject to effluent limitations in this general permit; or 2. The operator shall give advance notice to the department and VSMP authority of any planned changes in the permitted facility or activity, which may result in noncompliance with state permit requirements. K. Signatory requirements. 1. Registration statement. All registration statements shall be signed as follows: a. For a corporation: by a responsible corporate officer. For the purpose of this chapter, a responsible corporate officer means: (i) a president, secretary, treasurer, or vice-president of the corporation in charge of a principal business function, or any other person who performs similar policy -making or decision -making functions for the corporation; or (ii) the manager of one or more manufacturing, production, or operating facilities, provided the Page 22 of 26 manager is authorized to make management decisions that govern the operation of the regulated facility including having the explicit or implicit duty of making major capital investment recommendations, and initiating and directing other comprehensive measures to assure long-term compliance with environmental laws and regulations; the manager can ensure that the necessary systems are established or actions taken to gather complete and accurate information for state permit application requirements; and where authority to sign documents has been assigned or delegated to the manager in accordance with corporate procedures; b. For a partnership or sole proprietorship: by a general partner or the proprietor, respectively; or c. For a municipality, state, federal, or other public agency: by either a principal executive officer or ranking elected official. For purposes of this chapter, a principal executive officer of a public agency includes (i) the chief executive officer of the agency or (ii) a senior executive officer having responsibility for the overall operations of a principal geographic unit of the agency. 2. Reports and other information. All reports required by this general permit, including SWPPPs, and other information requested by the board or the department shall be signed by a person described in Part III K 1 or by a duly authorized representative of that person. A person is a duly authorized representative only if: a. The authorization is made in writing by a person described in Part III K 1; The authorization specifies either an individual or a position having responsibility for the overall operation of the regulated facility or activity such as the position of plant manager, operator of a well or a well field, superintendent, position of equivalent responsibility, or an individual or position having overall responsibility for environmental matters for the operator. (A duly authorized representative may thus be either a named individual or any individual occupying a named position); and c. The signed and dated written authorization is included in the SWPPP. A copy shall be provided to the department and VSMP authority, if requested. 3. Changes to authorization. If an authorization under Part III K 2 is no longer accurate because a different individual or position has responsibility for the overall operation of the construction activity, a new authorization satisfying the requirements of Part III K 2 shall be submitted to the VSMP authority as the administering entity for the board prior to or together with any reports or information to be signed by an authorized representative. 4. Certification. Any person signing a document under Part III K 1 or 2 shall make the following certification: 5. "1 certify under penalty of law that I have read and understand this document and that this document and all attachments were prepared in accordance with a system designed to assure that qualified personnel properly gathered and evaluated the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant Page 23 of 26 penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations." L. Duty to comply. The operator shall comply with all conditions of this general permit. Any state permit noncompliance constitutes a violation of the Virginia Stormwater Management Act and the Clean Water Act, except that noncompliance with certain provisions of this general permit may constitute a violation of the Virginia Stormwater Management Act but not the Clean Water Act. Permit noncompliance is grounds for enforcement action; for state permit coverage, termination, revocation and reissuance, or modification; or denial of a state permit renewal application. The operator shall comply with effluent standards or prohibitions established under § 307(a) of the Clean Water Act for toxic pollutants within the time provided in the regulations that establish these standards or prohibitions or standards for sewage sludge use or disposal, even if this general permit has not yet been modified to incorporate the requirement. M. Duty to reapply. If the operator wishes to continue an activity regulated by this general permit after the expiration date of this general permit, the operator shall submit a new registration statement at least 60 days before the expiration date of the existing general permit, unless permission for a later date has been granted by the board. The board shall not grant permission for registration statements to be submitted later than the expiration date of the existing general permit. N. Effect of a state permit. This general permit does not convey any property rights in either real or personal property or any exclusive privileges, nor does it authorize any injury to private property or invasion of personal rights, or any infringement of federal, state or local law or regulations. O. State law. Nothing in this general permit shall be construed to preclude the institution of any legal action under, or relieve the operator from any responsibilities, liabilities, or penalties established pursuant to any other state law or regulation or under authority preserved by § 510 of the Clean Water Act. Except as provided in general permit conditions on "bypassing" (Part III U) and "upset' (Part III V), nothing in this general permit shall be construed to relieve the operator from civil and criminal penalties for noncompliance. P. Oil and hazardous substance liability. Nothing in this general permit shall be construed to preclude the institution of any legal action or relieve the operator from any responsibilities, liabilities, or penalties to which the operator is or may be subject under §§ 62.1-44.34:14 through 62.1-44.34:23 of the State Water Control Law or § 311 of the Clean Water Act. Q. Proper operation and maintenance. The operator shall at all times properly operate and maintain all facilities and systems of treatment and control (and related appurtenances), which are installed or used by the operator to achieve compliance with the conditions of this general permit. Proper operation and maintenance also includes effective plant performance, adequate funding, adequate staffing, and adequate laboratory and process controls, including appropriate quality assurance procedures. This provision requires the operation of back-up or auxiliary facilities or similar systems, which are installed by the operator only when the operation is necessary to achieve compliance with the conditions of this general permit. R. Disposal of solids or sludges. Solids, sludges or other pollutants removed in the course of treatment or management of pollutants shall be disposed of in a manner so as to prevent any pollutant from such materials from entering surface waters and in compliance with all applicable state and federal laws and regulations. in Page 24 of 26 S. Duty to mitigate. The operator shall take all steps to minimize or prevent any discharge in violation of this general permit that has a reasonable likelihood of adversely affecting human health or the environment. T. Need to halt or reduce activity not a defense. It shall not be a defense for an operator in an enforcement action that it would have been necessary to halt or reduce the permitted activity in order to maintain compliance with the conditions of this general permit. U. Bypass. 1. 'Bypass," as defined in 9VAC25-870-10, means the intentional diversion of waste streams from any portion of a treatment facility. The operator may allow any bypass to occur that does not cause effluent limitations to be exceeded, but only if it also is for essential maintenance to ensure efficient operation. These bypasses are not subject to the provisions of Part 111 U 2 and 3. 2. Notice. a. Anticipated bypass. If the operator knows in advance of the need for a bypass, the operator shall submit prior notice to the department, if possible at least 10 days before the date of the bypass. b. Unanticipated bypass. The operator shall submit notice of an unanticipated bypass as required in Part III I. 3. Prohibition of bypass. a. Except as provided in Part III U 1, bypass is prohibited, and the board or department may take enforcement action against an operator for bypass unless: (1) Bypass was unavoidable to prevent loss of life, personal injury, or severe property damage. Severe property damage means substantial physical damage to property, damage to the treatment facilities that causes them to become inoperable, or substantial and permanent loss of natural resources that can reasonably be expected to occur in the absence of a bypass. Severe property damage does not mean economic loss caused by delays in production; (2) There were no feasible alternatives to the bypass, such as the use of auxiliary treatment facilities, retention of untreated wastes, or maintenance during normal periods of equipment downtime. This condition is not satisfied if adequate back-up equipment should have been installed in the exercise of reasonable engineering judgment to prevent a bypass that occurred during normal periods of equipment downtime or preventive maintenance; and (3) The operator submitted notices as required under Part III U 2. b. The department may approve an anticipated bypass, after considering its adverse effects, if the department determines that it will meet the three conditions listed in Part III U 3 a. Page 25 of 26 V. Upset. 1. An "upset," as defined in 9VAC25-870-10, means an exceptional incident in which there is unintentional and temporary noncompliance with technology -based state permit effluent limitations because of factors beyond the reasonable control of the operator. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventive maintenance, or careless or improper operation. 2. An upset constitutes an affirmative defense to an action brought for noncompliance with technology -based state permit effluent limitations if the requirements of Part III V 4 are met. A determination made during administrative review of claims that noncompliance was caused by upset, and before an action for noncompliance, is not a final administrative action subject to judicial review. 3. An upset does not include noncompliance to the extent caused by operational error, improperly designed treatment facilities, inadequate treatment facilities, lack of preventative maintenance, or careless or improper operation. 4. An operator who wishes to establish the affirmative defense of upset shall demonstrate, through properly signed, contemporaneous operating logs or other relevant evidence that: a. An upset occurred and that the operator can identify the cause of the upset; b. The permitted facility was at the time being properly operated; c. The operator submitted notice of the upset as required in Part III I; and d. The operator complied with any remedial measures required under Part III S. 5. In any enforcement proceeding, the operator seeking to establish the occurrence of an upset has the burden of proof. W. Inspection and entry. The operator shall allow the department as the board's designee, the VSMP authority, EPA, or an authorized representative of either entity (including an authorized contractor), upon presentation of credentials and other documents as may be required by law to: 1. Enter upon the operator's premises where a regulated facility or activity is located or conducted, or where records shall be kept under the conditions of this general permit; 2. Have access to and copy, at reasonable times, any records that shall be kept under the conditions of this general permit; 3. Inspect and photograph at reasonable times any facilities, equipment (including monitoring and control equipment), practices, or operations regulated or required under this general permit; and 4. Sample or monitor at reasonable times, for the purposes of ensuring state permit compliance or as otherwise authorized by the Clean Water Act or the Virginia Stormwater Management Act, any substances or parameters at any location. Page 26 of 26 For purposes of this section, the time for inspection shall be deemed reasonable during regular business hours, and whenever the facility is discharging. Nothing contained herein shall make an inspection unreasonable during an emergency. X. State permit actions. State permit coverage may be modified, revoked and reissued, or terminated for cause. The filing of a request by the operator for a state permit modification, revocation and reissuance, or termination, or a notification of planned changes or anticipated noncompliance does not stay any state permit condition. Y. Transfer of state permit coverage. 1. State permits are not transferable to any person except after notice to the department. Except as provided in Part III Y 2, a state permit may be transferred by the operator to a new operator only if the state permit has been modified or revoked and reissued, or a minor modification made, to identify the new operator and incorporate such other requirements as may be necessary under the Virginia Stormwater Management Act and the Clean Water Act. 2. As an alternative to transfers under Part III Y 1, this state permit may be automatically transferred to a new operator if: a. The current operator notifies the department at least 30 days in advance of the proposed transfer of the title to the facility or property; b. The notice includes a written agreement between the existing and new operators containing a specific date for transfer of state permit responsibility, coverage, and liability between them; and c. The department does not notify the existing operator and the proposed new operator of its intent to modify or revoke and reissue the state permit. If this notice is not received, the transfer is effective on the date specified in the agreement mentioned in Part III Y 2 b. 3. For ongoing construction activity involving a change of operator, the new operator shall accept and maintain the existing SWPPP, or prepare and implement a new SWPPP prior to taking over operations at the site. Z. Severability. The provisions of this general permit are severable, and if any provision of this general permit or the application of any provision of this state permit to any circumstance, is held invalid, the application of such provision to other circumstances and the remainder of this general permit shall not be affected thereby. 11 J Section 12. Inspection logs m Record of Site Inspection (Attach as many sheets as necessary, including maps) Control Manure I Incldentof Location Maintenance Additional Non - Typo Roq'd OMPReq'd Compliance Comments M 1N (Y/Iy)r Name: TIBe: Date: Si nature: If no Incidents of Non -Compliance, have been noted above, I certify that the site is In compliance vAth the provisions of the Plan and Permit Storm Water Pollution Prewpition PI fjurisdicdon] County Plan No. [no.] ]Proiect namel E Record of Site Inspection (Attach as many sheets as naressary, including maps) Control Measure Incldantof Location Malntanance Additional Nan- type Rsq'd BMP Req'd Comryp�liance Comments M (Y/M1 Lnature: _ Tltte: Date: If no incidents of Non -Compliance have been noted above, I certify that the site is In compliance with the provisions of the Plan and Permit Storm Water Pollution Prevention P Jfurl,dlcdon] Counry Plan No. /no.] /Protect name!