USGS Water-Year Summary 2021
05451080 South Fork Iowa River near Blairsburg, IA
LOCATION - Lat 42°32'37", long 93°35'22" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 SW 1/4 sec.05, T.89 N., R.23 W., Hamilton County, IA, Hydrologic Unit 07080207, at culvert on 170th Street, 4.6 mi northeast of Blairsburg.
DRAINAGE AREA - 12 mi².
PERIOD OF RECORD - Discharge records from February 2006 to September 2008; annual maximum discharge, water years 2009 to current year.
GAGE - Water-stage recorder, February 2006 to September 2008; crest-stage gage, October 2008 to current year. Datum of gage is 1,164.91 ft above National Geodetic Vertical Datum of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 762 ft³/s, June 8, 2008, gage height, 12.50 ft.
PERIOD OF RECORD - Precipitation records from February 2006 to November 2008.
INSTRUMENTATION - Tipping bucket rain gage.
EXTREMES FOR PERIOD OF RECORD - Maximum daily accumulation, 2.64 in, June 8, 2008.
PERIOD OF RECORD - Water years 2006-2009.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: April 2006 to June 2009, records fragmentary.
WATER TEMPERATURE: April 2006 to June 2009, November 2010 to November 2011, records fragmentary.
DISSOLVED OXYGEN: April 2006 to November 2008, records fragmentary.
pH: April 2006 to November 2008, records fragmentary.