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°25'25.6", long 91°28'42.7"
referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4
sec.6, T.76 N., R.5 W., Louisa County, IA, Hydrologic Unit 07080209,
on left bank 30 ft downstream from tri-county bridge on County
Highway W66, 5 mi southwest of Lone Tree, 6.2 mi downstream from
English River, and 46.6 mi upstream from mouth. (map)
DRAINAGE AREA.--4,293 mi2.
PERIOD OF RECORD.--Discharge records from October 1956 to current
GAGE.--Water-stage recorder. Datum of gage is 588.16 ft above
National Geodetic Vertical Datum of 1929. Prior to December 28, 1956,
non-recording gage at same site and datum.
REMARKS.--Flow regulated by Coralville Lake (station 05453510),
36.1 mi upstream, since September 17, 1958.