LOCATION.--Lat 42°10'15", long 92°01'25" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 SW 1/4 sec.16, T.85 N., R.10 W., Benton County, IA, Hydrologic Unit 07080205, on right bank on downstream side of bridge on State Highway 150 in Vinton, 900 ft downstream from Hinkle Creek, 1.5 mi upstream of Prairie Creek, 3.0 mi upstream from Mud Creek, and 124.5 mi upstream from mouth. (map)

DRAINAGE AREA.--6,040 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Discharge records from March 2009 to current year.

GAGE.--Water-stage recorder. Datum of gage is 762.06 ft above National Geodetic Vertical Datum of 1929.

WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1988, 2001-2002, 2004, 2011-2012. Period of record includes water-quality data published in USGS annual reports and various project reports.

Advanced Hydrologic Prediction Service

National Streamflow Information Program