USGS Water-Year Summary 2020
05052000 WILD RICE RIVER NEAR MANTADOR, ND
LOCATION - Lat 46°10'21", long 97°00'37" referenced to North American Datum of 1927, in sec.07, T.131 N., R.50 W., Richland County, ND, Hydrologic Unit 09020105, on county road, 1.5 mi west of Mantador.
DRAINAGE AREA - 1,540 mi² of which 380 mi² probably is noncontributing.
PERIOD OF RECORD - DAILY DISCHARGE--March 1944 to September 1951, March 2010 to current year; water years 1952 to 1973, 1975 (annual peak discharge only).
PERIOD OF RECORD.--DAILY GAGE HEIGHT--March to July 2009, March 2010 to current year.
GAGE - Water stage recorder. Gage readings are in elevation above National Geodetic Vertical Datum of 1929 (levels by Moore Engineering). Gage datum prior to March 1, 2009, 997.78 ft, National Geodetic Vertical Datum of 1929.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in the spring of 1943 reached a gage height of about 1,010.58 ft, present datum (12.8 ft, datum then in use), from floodmarks.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, 4,730 ft³/s, March 22, 2010, peak stage, 1,009.15 ft. Maximum peak stage, 1,010.00 ft, March 24, 2009, discharge not determined.