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1988 = 0. 104 cfs (reservoir did not completely <br />fill until February 25, 1988) <br />This year's average flow value, 0.0714 cfs, is 74% below the historic <br />(1988 -2012) average flow value, 0.2798 cfs. The timing of when flow <br />values are collected affects these averages. Due to high sediment <br />levels, this pond was dredged out in 2002. In April 2005, it was noted <br />that the discharge pipe riser had rusted out. It was replaced in July <br />2005 with an eight inch plastic pipe set at an elevation approximately <br />four feet above the elevation of the old dewatering orifice. No flow <br />occurred after the repair until October 2005. Review of the TDS plot <br />indicates an increasing trend. 2011 water year's TDS plot indicated a <br />stable trend, with the peak value occurring in July 2007. The <br />increasing trends noted this year and last year are due to the drought. <br />- Surface Water Site SW -S2 -12 (SSB12). This site monitors Bond Creek at <br />its confluence with Fish Creek. SW -S2 -12 normally monitored in June and <br />July on a monthly basis, but was also sampled in May 2013. This site <br />usually dries up in late summer, although NPDES8 upstream flows <br />continuously. This reduction in flow is due to stream channel <br />infiltration and evapotranspiration. This year, this site was not <br />flowing in either June or July (due to the drought) . The TDS plot <br />indicates a decreasing trend. <br />- Surface Water Site SW -S2 -11 (SSF11) . This site monitors Fish Creek <br />upstream of its confluence of Cow Camp Creek. It is required to be <br />monitored in June and July on a monthly basis, but only if either Sites <br />10 (Cow Camp Creek) or 12 (Bond Creek) are flowing. However, field <br />parameters and flow estimates may sometimes be provided voluntarily when <br />not required. This year, this site was sampled for field and lab <br />parameters in May and August as part of a special selenium study. As <br />there was no flow at Sites 10 or 12 in June or July, no lab samples were <br />collected at Site 11 during those two months, but field parameters were <br />measured in June. The TDS plot indicates a slightly decreasing trend. <br />8 <br />