USGS Water-Year Summary 2021
05422470 Crow Creek at Bettendorf, IA
LOCATION - Lat 41°33'04", long 90°27'18" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 NE 1/4 sec.23, T.78 N., R.4 E., Scott County, IA, Hydrologic Unit 07080101, on left bank 200 ft upstream from bridge on Valley Road (old U.S. Highway 67) in Bettendorf, 3.5 mi east of U.S. Highway 6, and 0.7 mi upstream from mouth.
DRAINAGE AREA - 17.8 mi².
PERIOD OF RECORD - Discharge records from October 1977 to September 2008; stage-only records from October 2008 to current year.
GAGE - Water-stage recorder. Datum of gage is 576.23 ft above National Geodetic Vertical Datum of 1929.
EXTREMES FOR PERIOD OF RECORD - Flood of June 16, 1990, reached a stage of 11.03 ft, discharge 7,700 ft³/s.
PERIOD OF RECORD - Water years 1978-1981.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Daily instantaneous values collected in conjunction with suspended-sediment samples, March 1978 to December 1981.
WATER TEMPERATURE: Daily instantaneous values collected in conjunction with suspended-sediment samples, March 1978 to December 1981.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: April 1978 to December 1981.