HomeMy WebLinkAboutSUB200800250 Review Comments No Submittal Type Selected 2008-10-21Tier II Groundwater Assessment
TMP 64 -2D
Application Number: SUB200800250 — Rust Miller — Final
Groundwater Reviewer: J. Rubinstein
Date: 21 October 2008
Description: 1 division — 2 lots
Water Quantity
The Albemarle County Database shows 11 wells within half a mile of the
parcel. The wells range from 95 to 1125 feet in depth with a median depth
of 165 feet. The well yields range from 2 to 30 gallons per minute with a
median yield of 6 gallons per minute. The median yield for the entire county
is 7 gallons per minute.
Water Quality
As shown on the Virginia Department of Environmental Quality (DEQ) GIS
websitel, there are two 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 are no required buffers on the parcel.
The northern portion of the property is in watershed for the Flannigan
Branch of the North Fork of the Rivanna. The southern portion is in the
Meadow Creek watershed. Neither watershed serves a public water supply.
Site Description
According to the Virginia Department of Mineral Resources 1993 Map, the
parcel is underlain by the metabasalts of the Catoctin Formation (CZc).
1 http: // gisweb. deq .virginia.gov /deqims /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.