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.