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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
06428500 BELLE FOURCHE RIVER AT WYOMING-SOUTH DAKOTA STATE LINE
LOCATION - Lat 44°44'56", long 104°03'04" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 NW 1/4 sec.18, T.9 N., R.1 E., Butte County, SD, Hydrologic Unit 10120202, on left bank 0.3 mi downstream from State line, 3.7 mi downstream from Oak Creek, and 11 mi northwest of Belle Fourche, SD.
DRAINAGE AREA - 3,232 mi² of which 6 mi² probably is noncontributing.
REVISIONS HISTORY - WDR SD-10-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1946 to current year. Records for water year 1947 incomplete, yearly estimate published in WSP 1729.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 3,096.51ft above North American Vertical Datum of 1988 (NAVD88).
REMARKS - Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For years 2014 onward, records good except for estimated discharges, which are poor, unless otherwise noted. Diversions upstream from station for irrigation of about 5,400 acres. Flow regulated by Keyhole Dam, usable capacity, 191,600 acre-ft, 143 mi upstream since Oct. 25, 1952. Satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,320 ft³/s, from rating curve extended above 3,400 ft³/s, on basis of slope-area measurement of peak flow, May 10, 1995, gage height, 16.33 ft; minimum daily discharge, 0.00 ft³/s, July 30, 1954, no flow at times in some years.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Maximum discharge, 3,620 ft³/s, June 23, 1947, gage height, 12.51 ft; maximum gage height, 14.33 ft, Mar. 22, 1949, backwater from ice.
