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~.1 i ~lonitorin~ \'1'clls <br />1'cr rcgulatun rcyuirentcnts, dedicated monitoring tvclls have Lxx;n consmrctcd to monitor liter <br />water-lxarine zones. the Uisxtlution Surtace. 13-(iroovc. A-(inxwc mtd I'erchcd :u(uili:rs. sec <br />I'igurt ~-I fife fixation of monitoring wells. the ayuitcrs an monitored at live (?1 locations: <br />immediately down-grtdicnl of du well licld. up-gradient at t+vo locations. romute dottn-gradient <br />and east in p<•trtcl _'. <br />13asclinc data ++us ahtained prier to ground water pumpagc lium water well (90- 11, :utd from mining <br />activities from 1'>nl through the proxnt. Within \SI's I~sce boundaries, there arc three uyuilcrs <br />dclincd by ('S IiP:\ ;LC underground sources of drinking water: the I'crchcd, r\-Gnxtvc :rod B- <br />(inwvc :\yuilcn. "Ilte Dissolution Surlitce :\yuilcr is not designated ;~s an underground xwrce u!' <br />drinking +vatcr. <br />The Perched :lyuili:r is char~tcteristicalh~ low in total Jissolvcd u>lids ('I US), conductivity. Iluoridc. <br />tie\K (uxlium ahsorption ratio) and nuxlernte to high in sull'atc rout pll. I'hc A-(inxtvr ;rod I''- <br />Cinxwc ayuilen are similar in water yu;dity t+ith moderate 'I'DS, conductivity, S:\R. but high <br />Iluoridc. Hu+ve+rr, the R-l~nnwe ayui(cr gcnerdly has slightly higher Ieccls ul'1llS. conductivity. <br />S~\R and Ilunride. 7~he Uissulution Surfi,ce r\yuitcr is characterized by high TDS, cunductitin•. <br />SAK, magnesium. potassium, and moderate pl (. <br />I~he titllou•ing graphs repreunt analytical results from the pact five (~) yours life monitor wells <br />located ttithin and immediately duttn-gradient Gum the well ticlJ. liicarhonate, S<xliunt, Total <br />Dissolved Solids (I~US) and ('unductivity tverr selected ;>,, the cunstih,rnu nw;t likch to dc0.Yt <br />negative impacts liom solution mining activities. l•scept life x Icty s:unplc specific anomalies. there <br />is little variation in the;malytical rrxulLc. the results front 2000 indicate that xtlutinn mining is nut <br />impacting the Perched. A-Gnwvc or B-(;nxwc ayuifen. <br />'I'hc litllu+cin>; vu•Ils me located vci(hin the ~'cll field. <br />Figure 5.2 - Wcl1 90-1 is camplctcd in the :\-Gnw+•e ayuifcr and provides -he raw water supply <br />to the plant. <br /> 90-1 <br /> <br />'GW.li00 ~,y."=_~_~I -f-Yrrttt~-t"2~'1 w-R~c irG <br />n ,OO.ODO <br />E . Socium <br />Conducuv,y <br />+o ttoo ros <br /> <br />n7 ~ <br />p'Y ~ry d~ <br />~ <br />~ <br />~ ,~ <br /> <br /> Dare <br />2QU7 Annual Rc{turt I 1 ul IS <br />