LOCATION.--Lat 42°28'12.0", long 91°26'54.84" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 SW 1/4 sec.33, T.89 N., R.5 W., Delaware County, IA, Hydrologic Unit 07060006, on right bank 10 ft downstream from east-bound bridge of U.S. Highway 20, 1.5 mi downstream from dam in Manchester, 1.5 mi upstream from Sand Creek, and 113.3 mi upstream from mouth. (map)

DRAINAGE AREA.--275 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD.--Discharge records from April 2000 to December 2002, June 2003 to current year.

REVISED RECORDS.--WDR-US-2010: Datum.

GAGE.--Water-stage recorder. Datum of gage is 900.41 ft above National Geodetic Vertical Datum of 1929.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: Daily instantaneous values collected in conjunction with suspended-sediment samples, April 2000 to September 2002, records fragmentary.
WATER TEMPERATURE: Daily instantaneous values collected in conjunction with suspended-sediment samples, April 2000 to September 2002, records fragmentary.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCAHARGE: April 2000 to September 2002.

Advanced Hydrologic Prediction Service

Iowa DNR Geological & Water Survey

National Streamflow Information Program