LOCATION.--Lat 42°15'05.5", long 92°17'56.0" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 NE 1/4 sec.24, T.86 N., R.13 W., Tama County, IA, Hydrologic Unit 07080205, on right bank 20 ft upstream from bridge on County Highway V37, 5.0 mi north of Dysart, and 12.1 mi upstream from mouth. (map)

DRAINAGE AREA.--299 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Discharge records from October 1995 to September 1998, May 2001 to current year.

GAGE.--Water stage recorder. Datum of gage is 835.00 ft above National Geodetic Vertical Datum of 1929, from topographic map.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD.--Precipitation records from October 1995 to September 1998.

INSTRUMENTATION.--Tipping-bucket rain gage.

WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1995-1998, 2000-2004, 2011-2012. Period of record includes water-quality data published in USGS annual reports and various project reports.

Advanced Hydrologic Prediction Service

Iowa DNR Geological & Water Survey

Cooperative Water Program