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r Subsurface Environmental Investigation September 21, 1988 <br /> Abandoned Lerner Service Station, Lodi, California AGS 38055-1 <br /> � r <br /> The site is underlain by very gently dipping Quaternary fluvial <br /> sediments consisting mainly of silt and sand. The topographic <br /> (a surface in the area is Slightly irregular with a general westward <br /> slope. The nearest surface water is the Mokelumne River, which <br /> is approximately 2,500 feet north of the site. On August 22, <br /> 1988, the static ground-water level was 40.25 feet below grade, <br /> and on August 29, 1988, it wa �.3feetlow grade. Ground <br /> water is inferred to have a south-southwesterly flow direction <br /> based on Applied GeoSystems knowledge of other sites in the <br /> vicinity. The water level and flow direction are subject to <br /> seasonal variations with the rise and fall of the :iokelumne River <br /> tml ' <br /> - and local pumping rates. <br /> PROXIMITY TO WELLS AND UTILITIES <br /> ki <br /> According to the Department of Public Works in Lodi, the closest <br /> ` municipal water-supply well is approximately 5,600 feet southwest <br /> H of the site. This well is known as well No. 4 and is located nn <br /> the southeast corner of Main and Locust Streets. The well is <br /> maintained by the City of Lodi. According to conversations with <br /> personnel of the California Regional Water Quality Control Board, <br /> Central Valley Region, private water-supply wells may be located <br /> on the Grape Festiva] :.0rounds immediately south of the site. The <br /> surface locations and whether or not the .wells are currently <br /> 4 <br /> ,, w Applied GOOSYSMMS <br />