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• <br /> Table 1. Well Search Summary <br /> Well Number/Name Date l7niied DeaM Perforations rt Seai Thicivtess Use Current Status <br /> Old City Hail Weil Aug 1928 130-140 160-180 180- assumed mm 50 ft munrcia ( Assumed active <br /> T2S R5E 2801 2D0 <br /> Cly of Tracy 19291 and July 121}-124 127-130 146- assumed min 50 ft domeshn Assumed aclave <br /> Walrlvmght#1 18311 reported 149 162-156, 192-197 unit p <br /> T2S 5E 28A1 <br /> Lincoln Park Oct 1948 6ghteen{serf intervals assumed min 50 ft munrcio Assumed active <br /> T2S REE 21(01(Gl) below 127 ft <br /> City of Tracy#2 Sept 19,* 23 pert intervais below 85 reported yes assumed municio Assumed active <br /> T2S Rye 21J1 it total decth=f'.W ft inn 50 ft <br /> Half Moon Fruit&Pro Aonl 1954 8558 103-106 116- No raga Unxnawn <br /> T2S R5E 27F80(1) 121 126-122145-151 <br /> 155 © 207-2ZB <br /> PG&E Carpenter RD Apni 1588 Not recorded yes Cement I Not Unknown <br /> T2S Rye-28G I slateu <br /> City of Tracy Norris T2S Feb 1925 Nat recorded 'total yes muni= Unknown <br /> REE 21MI I depth=432 ft <br /> Tracy='em Scnooi T2S Juiv 1561 74-36 5533. yes I aemesl I Active <br /> n ? <br /> R5E 2"Kt 585.^r� munic, <br /> Tracy High Well Date Unknown Unknown Yes? I Ground inacame <br /> T2S REE 21 S1 Well <br /> domes - domestic or C,tv .~rater use Indus - incustnal irrigat - irrigation muni:;-munic.oak <br /> Discussion <br /> Groundwater flow observed at the site and in the central Tracy region is northerly The `Lincoln' Well is <br /> located about 1900-feet dcwngradient of the site There are no reported occurrence of contaminants in <br /> routine sampling at the Lincoln Well One City well -~Wainwright} is iocatea roughly 1100-Peet east and <br /> side-gradient of the site The remaining wells are either near the radius perimeter or beyond the <br /> perimeter <br /> These wells are all screened or perforated into deeper aquifers in the area where groundwater yields are <br /> very large for the use The municipal wells are sealed through the shallow aquifer zone The historic <br /> high and low groundwater elevations observed at the site are 41 51 and 37 86 respectively These <br /> groundwater levels have remained consistent for this slightly confined aquifer and appear typical for <br /> shallow, thin near surface aquifers The site aquifer (uppermost water bearing zone occurs between <br /> about 11- to 22-feet, and the aquifer is underlain by an extensive aquitard Also recent excavation work <br /> has removed a "pocket of contamination at the site near MW-1 <br />