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°06'11.5", long 91°03'48.7"
referenced to North American Datum of 1983, in SW 1/4 SW 1/4 SW 1/4
sec.23, T.73 N., R.2 W., Louisa County, IA, Hydrologic Unit 07080209,
on left bank 10 ft downstream from bridge on State Highway 99, 0.7 mi
west of Oakville, 1.7 mi downstream from Smith Creek, and 5.3 mi
upstream from mouth. (map)
DRAINAGE AREA.--12,630 mi2.
PERIOD OF RECORD.--Discharge records from April 2009 to current
GAGE.--Water-stage recorder. Datum of gage is 535.64 ft above
National Geodetic Vertical Datum of 1929.
REMARKS.--Flow regulated by Coralville Lake (station 05453510),
77.2 mi upstream, since September 17, 1958.