USGS Water-Year Summary 2025

06339100 KNIFE RIVER AT MANNING, ND

LOCATION - Lat 47°14'10", long 102°46'10" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.06, T.143 N., R.95 W., Dunn County, ND, Hydrologic Unit 10130201, on left bank 50 ft downstream from bridge on State Highway 22 and 0.4 mi north of Manning.

DRAINAGE AREA - 205 mi². approximately.

SURFACE-WATER RECORDS

PERIOD OF RECORD - DAILY DISCHARGE--August 1967 to current year.

PERIOD OF RECORD.--DAILY GAGE HEIGHT--October 2000 to current year.

GAGE - Datum of the gage is 2,158.03 feet above North American Vertical Datum of 1988 (NAVD88) and 2,156.55 feet above National Geodetic Vertical Datum of 1929 (NGVD29). 
 
For a detailed gage datum history, please use the blue ‘questions or comments’ tab on the bottom of the site’s monitoring location page.

REMARKS - Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018. Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-nd_NWISWeb_Data_Inquiries@usgs.gov.

Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years.

EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, about 3,800 ft³/s, March 18, 2003, maximum peak stage, 17.63 ft, backwater from ice.

WATER-QUALITY RECORDS

PERIOD OF RECORD - Water year 1972 to current year.