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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
06604440 Little Sioux River at 300th Street near Spencer, IA
LOCATION - Lat 43°12'46.0", long 95°14'21.0" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 SE 1/4 sec.17, T.97 N., R.37 W., Clay County, IA, Hydrologic Unit 10230003, on right bank 30 ft upstream from bridge on 300th Street, 4.3 mi northwest of Spencer, 3.8 mi downstream from Drainage Ditch 52, 14.9 mi upstream from Ocheyedan River, and 199.6 mi upstream from mouth.
DRAINAGE AREA - 523 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from March 2010 to June 2016, October 2016 to October 2017.
GAGE - Water-stage recorder. Datum of gage is 1,319.11 ft above North American Vertical Datum of 1988.
REMARKS - Records for water year 2014-June 30, 2016, and October 2016 to October 2017, rated good except for estimated daily discharges, which are poor. For records status prior to October 1, 2013, see remarks printed in annual water-data reports. For climatological records collected at this site, see Raingage at Little Sioux River 300th Street near Spencer, IA (station 431246095142101).
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water year 2012.
PERIOD OF DAILY RECORD -
NITRATE + NITRITE: June 2012 to September 2015, records fragmentary.
