LOCATION.--Lat 41°39'05", long 91°30'27" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 NE 1/4 sec.14, T.79 N., R.6 W., Johnson County, IA, Hydrologic Unit 07080209, on right bank 60 ft downstream from bridge on Muscatine Avenue in Iowa City, 1.3 mi upstream from mouth, and 3.1 mi upstream from mouth of Ralston Creek. (map)

DRAINAGE AREA.--2.94 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Discharge records from October 1963 to September 1995; stage-only records from October 1996 to current year.

REVISED RECORDS.--WDR IA-66-1: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 678.03 ft above National Geodetic Vertical Datum of 1929. Beginning June 27, 2012, daily gage height values of <1.49 ft indicate stage was at or below the gage height of zero flow (GZF).

REMARKS.--Minor regulation from retention dam 2.0 mi upstream may affect peaks.

City of Coralville

City of Iowa City

University of Iowa

Cooperative Water Program