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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
05449500 Iowa River near Rowan, IA
LOCATION - Lat 42°45'35.9", long 93°37'17.9" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NE 1/4 sec.25, T.92 N., R.24 W., Wright County, IA, Hydrologic Unit 07080207, on left bank 10 ft downstream from bridge on County Highway C38, 3.8 mi northwest of Rowan, 0.9 mi downstream from Drainage Ditch 123, 10.7 mi downstream from confluence of East and West Branches, and 313.5 mi upstream from mouth.
DRAINAGE AREA - 429 mi².
REVISIONS HISTORY - WSP 1308: 1942-1943(M). WSP 1438: Drainage area. WDR IA-80-1: 1978.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from October 1940 to September 1976, June 1977 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,143.35 ft above North American Vertical Datum of 1988. Prior to October 14, 1948, non-recording gage at same site and datum.
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 1958-1962, 2001-2004, 2009-2010, 2012.
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Daily instantaneous values collected in conjunction with suspended-sediment samples, October 1957 to September 1962, records fragmentary.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: October 1957 to September 1962.
