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Water Quality Monitoring Program

Weekly handgrab samples were taken for nitrates from March 2011 through June 2011. Monthly handgrab samples were taken for total suspended solids and phosphorus. A Hydrolab probe was also used to gather dissolved oxygen, temperature, pH, and conductivity data during each visit. Since July 2011, all parameters were sampled monthly through March 2012, when weekly sampling will began again.  This sampling occurs at four sites located along Indian Creek and on one tributary.    Water quality sampling station locations. US Geological Survey, with financial support from IEPA, installed a stream gage to monitor flow. In September 2011, the nitrate probe was installed. Flow ...