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<br /> 1997WY = 0.506 cfs <br /> 1996WY = 0.609 cfs " <br /> 1995WY = 0.357 cfs " <br /> 1994WY = 0.121 cfs " <br /> 1993WY = 0.360 cfs <br /> 1992WY = 0.131 cfs (weekly measurements all year) <br /> 1991WY = 0.189 cfs " <br /> 1990WY = 0.135 cfs " <br /> 1989WY = 0.214 cfs " <br /> 1988WY = 0.180 cfs " <br /> 1987WY = 0.110 cfs " <br /> 1986WY = 0.294 cfs " <br /> 1985CY (Calendar Year) = 0.357 cfs " <br /> 1984CY = 0.447 cfs " <br /> 1983CY = 0.154 cfs (reservoir did not completely <br /> fill until March 7, 1983) <br />• This year's average flow value, 0.147 cfs, is 558 of the historic (1983- <br />2000) average flow value, 0.267 cfs. Flow values from the 004 Pond have <br />been affected by the reduced diameter of the discharge culvert modified <br />on May 29, 1987 (36 inches to 6 inches). <br />Review of the TDS plot indicates that TDS values have consistently <br />increased since 1982, primarily due to a concurrent increase in <br />upgradient mined area and ground water resaturation in the spoils. <br />However, some stabilizing of TDS values appears to be occurring in the <br />last four years. <br />- Surface Water Site SW-52-10 (SSC10). This site monitors Cow Camp <br />Creek at its confluence with Fish Creek. It is monitored May through <br />September on a monthly basis. This year, flow was present at this site <br />only during the May monthly visit, although NPDES 004 upstream was <br />flowing continuously. This reduction in flow is due to stream channel <br />infiltration, evapotranspiration, and the absence of lateral inflow from <br />tributaries to Cow Camp Creek. The TDS plot reveals an increasing <br />trend. <br />13 <br />