LOCATION.--Lat 41°42'00", long 91°29'15" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 NE 1/4 sec.36, T.80 N., R.6 W., Johnson County, IA, Hydrologic Unit 07080209, on left bank 80 ft upstream from bridge on State Highway 1, 3.5 mi northeast of Iowa City, and 5.0 mi upstream from mouth. (map)

DRAINAGE AREA.--25.3 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Discharge records from October 1937 to current year. Prior to February 1938, monthly mean discharge for some periods published in WSP 1308.

REVISED RECORDS.--WSP 1558: 1941 (M), 1943 (P), 1944 (M), 1946. WSP 1708: 1951 (P), 1952. WDR IA-67-1: Drainage area.

GAGE.--Water-stage recorder and concrete control with sharp-crested weir. Datum of gage is 673.72 ft above National Geodetic Vertical Datum of 1929.

City of Coralville

City of Iowa City

University of Iowa

Cooperative Water Program