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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 2024
05453520 Iowa River below Coralville Dam near Coralville, IA
LOCATION - Lat 41°42'55.06", long 91°31'48.6" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 SE 1/4 sec.22, T.80 N., R.6 W., Johnson County, IA, Hydrologic Unit 07080208, on left bank 1,200 ft downstream from Coralville Dam control house, 4.3 mi northeast of Coralville Post Office, 2.3 mi upstream from Rapid Creek, and 80.6 mi upstream from mouth.
DRAINAGE AREA - 3,115 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from October 1992 to current year.
GAGE - Water-stage recorder. Datum of gage is 599.70 ft above North American Vertical Datum of 1988.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 2008, 2012.
