Mokeler Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed May 19, 2011 tributary of Piscasaw Creek, itself a tributary of the Kishwaukee River, in northern Illinois.

Course Mokeler Creek originates in farm fields between Crowley Road and Oak Grove Road, about northeast of Harvard, Illinois. It then flows directly through the city of Harvard. The creek is a tributary of Piscasaw Creek and flows southwest until it empties into the Piscasaw about southwest of Harvard.Mokeler Creek - Subwatershed Plan , Kishwaukee River Ecosystem Partnership, May 2005, accessed January 23, 2011.

Description Mokeler Creek is 10 stream miles in length.Kishwaukee River , Watersheds of Illinois - 1996 Fact Sheet, Illinois Environmental Protection Agency, 1996, accessed January 22, 2011. In 1996 the Illinois Environmental Protection Agency assessed the stream for overall resource quality. It was found to have "fair" conditions, with the main contamination problems coming from agricultural run-off and construction. Additionally, the City of Harvard's wastewater treatment plant discharges effluent into Mokeler creek as it flows through the city.

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