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tzibutary alluvial well data Lae not be provided since that well IOW-51W-20A) is normally <br />dry. <br />Alluvium. Three wells monitor [ha Hubbersoa Gu1cL alluvium. Well WAAL6 -2 ie upstream of <br />mina discharges. Its TDS plot slows a decreasing trend since 1989. This is likely dun to <br />the fact that this pasture has been irrigated starting is 1989. Well WHAL7-2 exists on <br />Hubbaraoa Gulch downstream of mine discharges (006 Cul ch). Its TDS Dlot shows a slight <br />increae ing trend. The Nay, 1995 sample di spl a}'ad en anomalously high TDS value. <br />Subeaqumt TDS values fall witY.ia the historic range. Well WHAL10 exists oa 006 Gulch (a <br />eubDaraon Gulch tributazy) below the 006 Poad. TDS values at this well display a <br />decraaeiaq trend. <br />Oab rell monitors the 005 4li1cL alluvium (tributary to Dry Creekl. TLis well, WDALll, is <br />normally dry. <br />Savor walls monitor the Sage Creek alluvium. Well WSAL12 is located oa Sage Creak <br />adj stmt to Surface Water Site FG4 and is downstream of all potential mine discharges. <br />TDS values at this well Lava been incranainq since it was drilled is 1990. Wall WSAL13 la <br />located below NPDES 009 (thin NPDES site started flowing for the first time aver this <br />year). Mo distinct TDS trend is apparent at thin well. Well WSAL14 is located below the <br />once proposed NPDES 010. Pond 010 is ao longer proposed for Seneca II-w and, therefore, <br />monitoring at this well was discontinued in October. 1995. We'_ls YSAL1, 3, B, and 11 are <br />also part of SCC's Yoast Mine monitoring network end are all upstream of Seneca II•W. <br />Since no mine related discharges from Yoast Lave yet occurred at Sage Creek. TDS values at <br />these Ecur wells are a result of natural conditions. <br />Wadga Overburden. Three wells monitor the Wedge overburden. Well WOV14 exhibits a <br />decreas'_aq TDS trend. Monitoring at Well WOV15 was discontinued in 1995 due to severe <br />casing smear which prevents an sampling equipment to be lowered down the well. Only two <br />sample has Dem collected so far for Well WOV16 (normally not enough water to samplel, so <br />a TDS trend cannot be determined. Well WOV17 exhibits an increasing TDS trend. <br />Nonitoriaq at Well WOV1B aas discontinued in October, 1595, due to a lost sampling pump is <br />the well and the fact that it is not downgradient of mining. <br />. Wedge Coal. Three wells monitor the Wedge coal seam. Well WW14's TDS tread has scantly <br />increased due to a June, 1996 TDS value of 4410 mq/1, al though its October, 1996 TD5 value <br />5 <br />