|Main source||McHenry County northeast of Harvard, Illinois
1,096 ft (334 m)
|River mouth||Confluence with Piscasaw Creek southwest of Harvard, Illinois
846 ft (258 m)
|Progression||Mokeler Creek → Piscasaw → Kishwaukee → Rock → Mississippi → Gulf of Mexico|
|Length||10 mi (16 km)|
Mokeler Creek originates in farm fields between Crowley Road and Oak Grove Road, about 2.5 miles (4.0 km) 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 4.4 miles (7.1 km) southwest of Harvard.
Mokeler Creek is 10 stream miles in length. 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.
- U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed May 19, 2011
- U.S. Geological Survey Geographic Names Information System: Mokeler Creek
- Mokeler Creek - Subwatershed Plan, Kishwaukee River Ecosystem Partnership, May 2005, accessed January 23, 2011.
- Kishwaukee River, Watersheds of Illinois - 1996 Fact Sheet, Illinois Environmental Protection Agency, 1996, accessed January 22, 2011.
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