Laserfiche WebLink
i <br /> PRCBLr_m ASSESSMENT Rl pow <br /> 14800 West Frontage Road Manteca California <br /> • On November 21 and December 19, 1991, Aegis collected depth-to- <br /> groundwater measurements and groundwater samples from the nine wells <br /> at the project site ("Quarterly Groundwater Monitoring Report," dated <br /> February 20, 1992) Depth-to-groundwater measurements are summarized <br /> in Table 5 Results of the groundwater analysis are summarized in Table 3 <br />' On January 31, 1992, Aegis collected depth-to-groundwater measurements <br /> and groundwater samples from the nine wells Depth-to-groundwater <br /> measurements are summarized in Table 5 Results of the groundwater <br /> analysis are summarized in Table 3 <br /> 2.3 Adjacent Land Uses <br /> I The subject site is bordered to the east b U S Highway 99, to the north b access <br /> Y 9 Y Y <br /> ramps to Highway 99, to the west across Frontage Road by a vacant field, and to the <br /> south by a private residence and a small apartment building The topography of the area <br /> is relatively flat <br /> 2 4 Utility Locations <br /> Underground utilities are present beneath the site, including water lines that supply <br /> irrigation to the landscaped areas from a domestic water well located on the Moore <br /> Petroleum site Sewage at the site is handled by an on-site septic system (Figure 2) <br /> Subsurface electrical utilities include service for street and sign lighting <br /> I2 5 Generalized Geology and Hydrogeollogy <br /> The San Joaquin Valley is a sediment-filled basin bordered to the east by the Sierra <br /> Nevada and to the west by the Coast Range Surficial sediments underlying the site <br /> consist of recent alluvium overlying the Victor Formation The recent alluvium and Victor <br /> Formation sediments are composed primarily of discontinuous lenses of gravel, sand, and <br /> clay <br /> IThe direction of regional groundwater flow is northwesterly toward the Sacramento-San <br /> Joaquin River Delta <br /> I2 6 Water Well Survey <br /> I One domestic water well is located on site Another domestic well is also located <br /> approximately 50 yards south of the site at, the location of an apartment house and <br /> private residence A complete inventory of existing wells near the site has been initiated <br /> I at the Department of Water Resources in Sacramento, California A discussion of the <br /> wells and their locations was included in a report by Delta ("Preliminary Hydrogeologic <br /> Assessment Report," dated May 1989) <br /> I90-097A PAR 5 <br />