LOCATION.--Lat 41°40'50", long 93°40'05"
referenced to North American Datum of 1927, in SW 1/4 NE 1/4 NE 1/4
sec.5, T.79 N., R.24 W., Polk County, IA, Hydrologic Unit 07100004,
on left bank 5 ft upstream from Fisher Bridge on County Highway R6F,
2.0 mi west of Saylorville, 2.1 mi downstream from Rock Creek, 2.3 mi
downstream from Saylorville Dam, 2.2 mi upstream from Beaver Creek,
and 203.0 mi upstream from mouth. (map)
DRAINAGE AREA.--5,841 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Discharge records from October 1961 to current
year.
GAGE.--Water-stage recorder. Datum of gage is 787.42 ft above
National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps
of Engineers). Prior to August 6, 1970, non-recording gage at same
site and datum.
REMARKS.--Flow regulated by Saylorville Lake (station 05481630),
2.3 mi upstream, since April 12, 1977.
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1962-2004.
PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: Daily instantaneous values collected in
conjunction with suspended-sediment samples, December 1967 to
September 2004, records fragmentary.
WATER TEMPERATURE: Daily instantaneous values collected in
conjunction with suspended-sediment samples, October 1961 to
September 2004, records fragmentary.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: October 1961 to
September 2004.
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