HomeMy WebLinkAboutSUB200800195 Review Comments Groundwater Assessment 2008-08-25Tier II Groundwater Assessment
TMP 44 -7C
Application Number: SUB200800218 Fisher (2 Lot) -Final
Groundwater Reviewer: J. Rubinstein
Date: 24 August 2008
Description: 1 division — 2 lots
Water Quantity
The Albemarle County Database shows 29 wells within half a mile of the
lot. The wells range from 85 to 305 feet in depth with a median depth of
220 feet. The well yields range from zero to 30 gallons per minute with a
median yield of 5 gallons per minute.
Water Quality
As shown on the Virginia Department of Environmental Quality (DEQ) GIS
website, there are one leaking underground storage tank sites (LUST) within
two thousand feet of Lot 1.1 Therefore Section 500 through 503 of
Albemarle County Code requires that the well be tested for the volatile
organic compounds Benzene, Toluene, Ethylbenzene and Xylenes before a
building permit can be issued. a
Buffers
The parcel is in the watershed for the South Fork of the Rivanna Reservoir, a
public water supply. The county GIS website shows a required buffer along
the northern boundary of the parcel.3
1 http: // gisweb. deq .virginia.gov /deqims /viewer.htm ?SERVICE= VA_DEQ
2 for the volatile organic compounds Benzene, Toluene, Ethylbenzene and Xylenes
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%.