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I• <br />- Wadge Coal. Well YW28 monitors coal seam water quality in the Annand <br />Draw basin. It displays a slightly increasing TDS trend. Wells YW29 and <br />30 exist in the Sage Creek basin. Well YW29 displays a slightly <br />increasing TDS trend. Well YW30 recently displays an increasing TDS <br />trend. <br />- Wadge Underburden. Well YWU28 monitors underburden water quality in <br />the Annand Draw basin. Zt displays an increasing TDS trend. Wells YWU29 <br />and 30 exist in the Sage Creek basin. Well YWU29 displays an increasing <br />TDS trend. Well YW[J30 displays an increasing TDS trend. <br /> - Wolf Creek Coal and Underburden. As of September 2002, Well YWC33 <br /> monitors the Wolf Creek coal water qualit y in the Sage Creek basin. <br /> This well displays an increasing TDS trend. Mining of this seam began in <br /> November 2002. Well YWCU33 now monitors the Wolf Creek underburden water <br /> quality in the Sage Creek basin. It also displays an increasing TDS <br /> trend. <br />Comparison of Ground Water Quality to Water Use Standards. SCC has <br />compiled a list of ground water standards for agricultural uses (Table <br />5). This list is composed of Colorado Department of Health ground water <br />standards (CDOH, Reg. 41, November 2004). <br />Table 6 provides a comparison of ground water quality to agricultural <br />standards. This Paradox database generated table does not include the <br />units of concentration (mg/1 or ug/1) for each parameter. The units used <br />for each parameter are the same as those listed on the standards table <br />(Table 5) and are also the same as those used in the water quality <br />reports. The frequency column on Table 6 indicates the number of <br />exceedences out of the total number of samples (i.e., 1/2 indicates one <br />exceedence out of two samples) . Below is a summary of standards that <br />were exceeded. Given in parenthesis is the source and use of each <br />standard. <br />r ~ <br />LJ <br />6 <br />