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Water-Year Summary for Site 05470500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
05470500 Ioway Creek at Ames, IA
LOCATION - Lat 42°01'23", long 93°37'49" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 SW 1/4 sec.03, T.83 N., R.24 W., Story County, IA, Hydrologic Unit 07080105, on left bank 65 ft downstream from bridge on Lincoln Way in Ames, 0.2 mi downstream from College Creek, and 2.5 mi upstream from mouth.
DRAINAGE AREA - 204 mi².
REVISIONS HISTORY - WSP 1308: Drainage area, 1920-1922(M), 1923, 1924-1925(M), 1926, 1927(M). WDR IA-66-1: 1965. WDR IA-71-1: 1970(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from May 1919 to September 1927, May 1965 to current year. December 1925 to September 1927, monthly mean discharge for some periods published in WSP 1308. Prior to May 2021, published as Squaw Creek at Ames, IA.
GAGE - Water-stage recorder and concrete control. Datum of gage is 881.00 ft above National Geodetic Vertical Datum of 1929 (levels by Iowa State University). Prior to March 11, 1925, non-recording gage at site 0.6 mi upstream at different datum; March 11, 1925, to April 30, 1927, non-recording gage at site 65 ft upstream at datum about 4 ft higher.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of June 4, 1918, reached a stage of 14.50 ft, from high-water mark, at site and datum in use prior to March 11, 1925, discharge 6,900 ft³/s.