LOCATION.--Lat 41°42'00", long 91°33'46"
referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NE 1/4
sec.32, T.80 N., R.6 W., Johnson County, IA, Hydrologic Unit
07080209, on right bank 10 ft upstream from bridge on 1st Avenue in
Coralville, and 1.3 mi upstream from mouth. (map)
DRAINAGE AREA.--8.7 mi2.
SURFACE-WATER RECORDS
PERIOD OF RECORD.--Discharge records from November 2006 to current
year.
GAGE.--Water-stage recorder. Datum of gage is 665.09 ft above
North American Vertical Datum of 1988.
REMARKS.--Minor diurnal fluctuations during periods of low flow
due to operations of wastewater treatment plant located 3.1 mi
upstream.