LOCATION.--Lat 43°07'34", long 94°42'21" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 NE 1/4 sec.23, T.96 N., R.33 W., Palo Alto County, IA, Hydrologic Unit 07100002, on left bank 100 ft downstream from bridge on U.S. Highway 18 in Emmetsburg, 3.0 mi south of Jack Creek, 2.3 mi north of Silver Creek, and 380.6 mi upstream from mouth. (map)

DRAINAGE AREA.--1,672 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Stage-only records from March 2009 to September 2011 (no winter records); discharge records from October 2011 to current year.

GAGE.--Water-stage recorder. Datum of gage is 1,196.00 ft above National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of Engineers).

Advanced Hydrologic Prediction Service

U.S. Army Corps of Engineers - Rock Island District

National Streamflow Information Program