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Home My WebLink AboutSUB200800113 Review Comments Groundwater Assessment 2008-05-06Tier II Groundwater Assessment TMP 134 - 7A Application Number: SUB200800113 Oden Cornwell (2B) -Final Groundwater Reviewer: J. Rubinstein Date: 6 May 2008 Description: 1 division — 2 lots Water Quantity The Albemarle County Database show 4 wells within half a mile of the lots. The wells range from 95 to 305 feet in depth with a median depth of 165 feet. The well yields range from 10 to 30 gallons per minute with a median yield of 15 gallons per minute. Water Quality As shown on the Virginia Department of Environmental Quality (DEQ) GIS website, there are no leaking underground storage tank sites (LUST) within two thousand feet of the parcel.' Buffers The parcels are in the watershed for the tributaries of the James River. According to the county GIS site, no buffers are required on the parcel . 2 Site Description 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 in which lies the property: ' http:// gisweb. deq .virginia.gov /deqims /viewer.htm ?SERVICE= VA_DEQ 2 http: / /gisweb.albemarle.org/ The Newark Basin unit is characterized by low relief topography, which exists over Mesozoic basin geology. The unit is underlain by the Newark Supergroup which consists of sandstones, siltstones and shales. Soils within this area are dominated by the Totier, Rapidan, and Penn series. The Totier soil series are deep and well drained and are formed from weathered Triassic red shale. These soils are found on uplands and range in slope from 2-15%. The Rapidan soil series are also deep and well drained and are formed in weathered products of Triassic conglomerate. The Rapidan, like the Totier, are found on uplands and range in slope from 2 -25 %. The Penn series are moderately deep and well drained and are formed from the weathered products of Triassic red shale. The Newark Basin hydrogeologic unit includes the Scottsville Basin located in the southern portion of the County and a much smaller area of the Barboursville Basin located in the northern portion of the County. According to the Virginia Department of Mineral Resources 1993 Map, the bedrock beneath the parcel is the metabasalt of the Catoctin Formation (CZc).