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Sy _emp.1oying the well head- elevations and depths to water <br /> in monitoriing' :wel1s MW-1, - MW=2 , and MW-3 , groundwater <br /> elevations -were calculated .- "Gro:undwater contours were <br /> drawn by . inte:rpol Ati,on LLof the groundwater-.-e.l_evat:i ons . ' As <br /> shown on the over <br /> y to Fa gu:re:: 3 o:f: this report , ground= <br /> waiter flow was 'towards= th`e northeast at. NZ.28o-E onJune' 23, <br /> 19°94 <br /> Hydraulic gradient was -ca.lcuI ed by drawing a perpen <br /> dic_ul.ar line too .contours. estah,li-shed- a-s d-escribed -'and then <br /> determinin the- d- (L- L a _ ' . <br /> ( ) and eTeatYon .d'a.tferences. (h). <br /> between_extreme- contours . 'Distance_,(L) was measured. at <br /> 72 5-,.fe.et-. The_-elevation diff-erence (h) was -5:2: 3'8' = 52.. 22 <br /> or 0 :.16 feet.. The hyd-raulic ,g.radient (h/L) was -then <br /> calcul.a.ted as follows 0 1 ft/72: 5 ft 0 .002 f°tf'ft . <br /> r . <br />