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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.
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USGS Water-Year Summary 2024
05487520 Des Moines River near Swan, IA
LOCATION - Lat 41°29'21.8", long 93°16'41.6" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 NE 1/4 sec.09, T.77 N., R.21 W., Marion County, IA, Hydrologic Unit 07100008, on left bank 75 ft south of Beardsley Drive, 4.5 mi downstream of bridge on State Highway 316, 1.6 mi northeast of Swan, 3.9 mi downstream from Camp Creek, 23.7 mi upstream from Red Rock Dam, and 162.9 mi upstream from mouth.
DRAINAGE AREA - 11,700 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from October 2009 to current year. October 1985 to September 2009, at site 4.5 mi upstream and published as "near Runnells" (station 05487500). Records are not equivalent because of difference in drainage area.
GAGE -
Water-stage recorder. Datum of gage is 698.99 ft above NAVD of 1988.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center. Flow regulated by Saylorville Lake (station 05481630), 38.7 mi upstream. Stage-discharge relation is affected at times by backwater from Lake Red Rock (station 05488100).
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: October 2011 to current year, records fragmentary.
