UPDATE, 11/9: As of November 8, the USGS has successfully restored all of the operational gages that stopped transmitting due to an issue with the satellite telemetry system that records and transmits data. The USGS will now focus on restoring other equipment that experienced the telemetry issues, including about 85 rapid deployment gages that are used periodically for emergency response. Read more
LOCATION.--Lat 41°42'55.0", long 91°31'48.0"
referenced to North American Datum of 1927, in SW 1/4 SW 1/4 SE 1/4
sec.22, T.80 N., R.6 W., Johnson County, IA, Hydrologic Unit
07080208, on left bank 1,200 ft downstream from Coralville Dam
control house, 4.3 mi northeast of Coralville Post Office, 2.3 mi
upstream from Rapid Creek, and 80.6 mi upstream from mouth.
DRAINAGE AREA.--3,115 mi2.
PERIOD OF RECORD.--Discharge records from October 1992 to current
GAGE.--Water-stage recorder. Datum of gage is 600.00 ft above
National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps
REMARKS.--Flow regulated by Coralville Lake (station 05453510),
1,200 ft upstream, since September 17, 1958.