Laserfiche WebLink
I <br /> i <br /> July 16. 1990 <br /> Limited Environmental Investigation AGS 30G41-1 <br /> ARCO Service Station No. 6100, Tracy, California <br /> r <br /> E REGIONAL GEOLOGY.AND unI)ROGEOLOG'Y <br /> The site is underlain by the Turlock Lake Formation,which consists of Piiocene-Pleistocene <br /> nonmarine sedimenta d-, osits that range in size.from gravel to clay (Rogers,T.H. 1966). <br /> Y To the west lies Middle to Lower Pliocene nonmarine sediments, Beneath the Pliocene � <br /> ne sedimentary rocks.The site is in an area of northwest <br /> deposits lie Upper Cretaceous mari - <br /> t a <br /> southeast trending faults. <br /> �t <br /> -�' The site is in the northwestern San Joaquin County Ground Water Basin (California <br /> � 4 <br /> 1, Department of Water Resources, 1988). According to the San Joaquin Public Health <br /> Service, the depth to ground water is greater than 100 feet below grade. <br /> PROXIMITY OF WELLS AND UTILITyES <br /> r j The site map provided by ARCO slows a septic tank onsite northwest of the station <br /> building and a second septic tank;along with a leach field on the northwest boundary of the <br /> property. It is our understanding from San Joaquin County Planning Commission that there <br /> 1 are no water or sewer lines in the area, <br /> i <br /> i <br />