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• The well and spring measurements averaged about 1100 mmhos, ranging from 550 mmhos from a well on Wilson Creek to 1880 at a seep from a coal seam exposed at the pit. The groundwater quality was again found to be highly variable in terms of specific conductance. The measurements made in 1979 were within the range of variation seen in measurements taken in 1974 and 1975 at the same sites. This report has been previously submitted on February 5, 1981 and is included in Exhibit 7. The conclusion presented in the 1979 LRCWE report was that there is no evidence of contamination of the groundwater by the surface mining of Colowyo. Analysis of specific conductance measurements below sites where contamination would be expected, such as Goodspring Creek below Streeter Canyon and Taylor Creek below the coal loadout area, do not reveal decreased water quality. Monitoring of Goodspring Creek and Taylor Creek since 1979 supports the conclusions of the 1979 LRCWE report. Tables 3 and 4 present the analyses of water samples collected from Taylor Creek Well Nos. 1 and 3, respectively. The locations of the two Taylor Creek wells and their characteristics are discussed more • fully in the earlier groundwater description. Water samples from the two wells were analyzed for the common ions and trace metals because water from the two wells is used for domestic purposes on the mine site. Comparison of the observed concentrations and the health limits shows that trace metals from the water in deep sandstones are not a problem. Groundwater quality in and adjacent to the permit area is generally poor. Water from the wells contains relatively high amounts of dissolved salts and calcium-carbonate hardness. Previous analyses of groundwater samples in the area indicate that the groundwater is alkaline, saline, and sufficiently hard to restrict usage to stock watering. 2.04.7-19