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1998 = 0.468 cfs <br />1997 = 0.506 cfs " <br />1996 = 0.609 cfs " <br />1995 = 0.357 cfs " <br />1994 = 0.121 cfs " <br />1993 = 0.360 cfs " <br />1992 = 0.131 cfs (weekly measurements all year) <br />1991 = 0.189 cfs IT <br />1990 = 0.135 cfs " <br />1989 = 0.214 cfs " <br />1988 = 0.180 cfs " <br />1987 = 0.110 cfs " <br />1986 = 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, 0.132 cfs, is 53% of the historic (1983- <br />2010) average flow value, 0.250 cfs. The timing of when flow values are <br />collected affects these averages. Flow values from Pond 004 have also <br />been affected by the reduced diameter of the discharge culvert modified <br />on May 29, 1987 (36 inches to 6 inches). In August 2005, the discharge <br />culvert was replaced with an 8 inch diameter plastic culvert set <br />approximately one foot above the previous elevation. Review of the TDS <br />plot (SF 0.5) indicates a recently stable trend, with the peak value <br />occurring in September 2005. <br />- Surface Water Site SW-S2-10 (SSC10). This site monitors Cow Camp <br />Creek at its confluence with Fish Creek. Per the Seneca II PAP, it was <br />monitored May through July on a monthly basis. In addition, per the PSCM <br />PAP, this site was also monitored in September. This site usually dries <br />up in late summer, although NPDES4 upstream flows continuously. This <br />reduction in flow is due to stream channel infiltration, <br />• evapotranspiration and the absence of lateral inflow from tributaries to <br />Cow Camp Creek. The TDS plot reveals a recently decreasing trend. <br />11