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Water-Year
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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2025
06605750 Willow Creek near Cornell, IA
LOCATION - Lat 42°58'21.0", long 95°09'40.0" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 SE 1/4 sec.12, T.94 N., R.37 W., Clay County, IA, Hydrologic Unit 10230003, at bridge on U.S. Highway 71, 2.0 mi northwest of Cornell.
DRAINAGE AREA - 78.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
Annual maximum discharge, water years 1966 to 2022.
Stage-only records (no winter records) and annual maximum discharge, water years 2023 to current.
Annual maximum discharge, water years 1966 to 2022.
Stage-only records (no winter records) and annual maximum discharge, water years 2023 to current.
GAGE - Water-stage recorder and crest-stage gage.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,200 ft³/s, March 22, 1979, gage height, 91.49 ft; maximum gage height, 94.30 ft, June 27, 2010.
