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°28'11", long 91°42'52"
referenced to North American Datum of 1927, in NW 1/4 SW 1/4 SW 1/4
sec.18, T.77 N., R.7 W., Washington County, IA, Hydrologic Unit
07080209, on right bank 30 ft upstream from bridge on State Highway
1, 0.8 mi south of Kalona, 1.1 mi upstream from Camp Creek, 4.5 mi
downstream from Smith Creek, and 17.0 mi upstream from mouth.
DRAINAGE AREA.--574 mi2.
PERIOD OF RECORD.--Discharge records from September 1939 to
GAGE.--Water-stage recorder. Datum of gage is 633.45 ft above
National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps
of Engineers). Prior to December 27, 1939, non-recording gage at site
30 ft downstream at same datum.