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Home My WebLink AboutSUB200800151 Review Comments Groundwater Assessment 2008-06-20Tier II Groundwater Assessment TMP 81 -5 and TMP 80 - 3A2 Application Number: SUB200800151 — Dr Orr - Parcel A -Rural Groundwater Reviewer: J. Rubinstein Date: 18 June 2008 Description: 1 division — 2 lots Water Quantity The Albemarle County Database shows eight wells within half a mile of the parcels. The wells range from 125 to 340 feet in depth with a median depth of 303 feet. The well yields range from 1 to 50 gallons per minute with a median yield of 4 gallons per minute. Water Quality As shown on the Virginia Department of Environmental Quality (DEQ) GIS websitet, there are six leaking underground storage tank sites (LUST) within a mile of the parcel. Section 500 through 503 of Albemarle County Code requires that new wells within two thousand feet of a LUST site be tested for the volatile organic compounds Benzene, Toluene, Ethylbenzene and Xylenes before a building permit can be issued. Buffers According to the county GIS site, there is a required buffer along the Carroll Creek. The parcel is in the Middle Rivanna watershed which does not serve a public water supply. Site Description According to the Virginia Department of Mineral Resources 1993 Map, the bedrock beneath the parcel is in the metasilts of the Candler Formation (Ccas). ' http:// gisweb. deq .virginia.gov /degims /viewer.htm ?SERVICE= VA_DEQ 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 which contains the parcel: The Blue Ridge East unit overlies "greenstone" and represents the eastern limb of the Blue Ridge Anticlinorium. The area is characterized by the presence of a prominent ridge which rises and trends generally northeast within the otherwise rolling piedmont landscape. Portions of this ridge are known locally as Green Mountain, Carters Mountain and the Southwest Mountains. This area is dominated by the Rabun and Myersville soils and to a lesser extent, the Catoctin. The Rabun soil series is deep and well drained and like the Myersville soil series is formed from weathered greenstone. The Catoctin soil series is considered to be moderately deep and well drained and is also formed from weathered greenstone.