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. - Sage Creek Overburden. This unit exits between the Wadge and Wolf Creek coal seam. Well WSOV24 was drilled in August 2001 in the II-W South area. Only five samples have been collected so far. No mining of the Sage Creek coal seam has occurred yet. - Sage Creek Coal. Well WSC24 was drilled in August 2001 in the II-W South area. Only five samples have been collected so far. No mining of the Sage Creek coal seam has occurred yet. - Wolf Creek Coal. Two wells monitors this coal seam. No mining of the Wolf Creek coal seam has occurred yet. Well WWC4 exists in the II-W South area. Monitoring at this well was resumed in July 1997 after being discontinued in June 1985. A casing obstruction in the well casing has prevented sampling since October 2001. Well WWC24 was drilled in August 2001 in the II-W South area. Only five samples have been collected so far. - Wolf Creek Overburden/Underburden. Wells WWCOV24 (overburden) and wwcU24 (underburden) were drilled in August 2001 in the II-W South area. Only five samples have been collected so far. No mining of the Wolf Creek coal seam has occurred yet. - Trout Creek Sandstone. Well WTC201 is used as the water supply well for the mine facilities. it displays an increasing TDS trend. Comparison of Ground Water Oualitv to Water Use Standards. SCC has compiled a list of ground water standards for agricultural uses (Table 5). This list is composed of Colorado Department of Health ground water standards (CDOH, Reg. 41, March 1999). Table 6 provides a comparison of ground water quality to agricultural standards. This Paradox database generated table does not include the units of concentration (mg/1 or ug/1) for each parameter. The units used for each parameter are the same as those listed on the standards table (Table 5) and are also the same as those used in the water quality reports. The frequency column on Table 6 indicates the number of 9