USGS Water-Year Summary 2020
05084000 FOREST RIVER NEAR FORDVILLE, ND
LOCATION - Lat 48°11'50", long 97°43'49" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.32, T.155 N., R.55 W., Walsh County, ND, Hydrologic Unit 09020308, on right bank 50 ft upstream from highway bridge, 0.5 mi downstream from South Branch, and 3 mi southeast of Fordville.
DRAINAGE AREA - 456 mi² of which 120 mi² probably is noncontributing.
PERIOD OF RECORD - DAILY DISCHARGE--April 1940 to current year.
PERIOD OF RECORD.--DAILY GAGE HEIGHT--October 2000 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,036.15 ft above NAVD88 from topographic map. In October 2019, datum was converted to NAVD88 datum using the National Geodetic Surveys VDATUM transformation tool. Prior to conversion to NAVD88 datum was published as 1,035 ft above NGVD29, from topographic map. Prior to July 21, 1951, nonrecording gage at site 50 ft downstream at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow of 16,400 ft³/s on April 18, 1950, from rating curve extended above 5,600 ft³/s on basis of indirect measurement. Maximum peak stage of 14.48 ft on April 18, 1950, from floodmark.
PERIOD OF RECORD - Water year 1972 to current year.