HomeMy WebLinkAboutSUB200800118 Review Comments Groundwater Assessment 2008-04-30Tier II Groundwater Assessment
TMP 43 -23I
Application Number: SUB200800118 Olton /Street Family Division
Groundwater Reviewer: J. Rubinstein
Date: 30 April 2008
Description: 1 division — 2 lots
Water Quantity
The Albemarle County Database shows 20 wells within half a mile of the
lot. The wells range from 96 to 519 feet in depth with a median depth of
245 feet. The well yields range from 2 to 30 gallons per minute with a
median yield of 7.5 gallons per minute.
Water Quality
As shown on the Virginia Department of Environmental Quality (DEQ) GIS
website, there are two leaking underground storage tank sites (LUST) within
2000 feet of the parcel.' Section 500 through 503 of Albemarle County
Code will require that any new well be tested for the volatile organic
compounds Benzene, Toluene, Ethylbenzene and Xylenes before a building
permit can be issued. 2
Buffers
According to the county GIS site, a buffer not shown on the plat is required
along the western and northwestern boundaries of tax map 43 parcel 23I.3
The parcel is in the Ivy Creek watershed which is part of the public water
supply watershed for the South Fork of the Rivanna reservoir.
1 http: // gisweb. deq .virginia.gov /deqims /viewer.htm ?SERVICE= VA_DEQ
2 http: / /www.albemarle.org /department. asp ?department= ctyatty &relpage =2784
3 http: / /gisweb.albemarle.org/
Site Description
According to the Virginia Department of Mineral Resources 1993 Map,
most of the parcel is on the gneiss of the Blue Ridge Basement Complex
(Ybg)•
In a groundwater assessment done for the Albemarle County, ENSAT
Corporation divided the county into `hydrologic units'. Below is ENSAT's
description of the unit containing the parcel:
The Piedmont Foothills unit is characterized by rolling upland to
relatively steep topography. Soils within this area re dominated by
the Hayesville, Ashe and Chester soil series which are moderately
deep to deep, and generally well drained. These soils are found on the
piedmont upland and foothills of the Blue Ridge Mountain on slopes
ranging from 2-45%.
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