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Water-Year Summary for Site 06436000

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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.
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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 44°41'27", long 103°44'14" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.03, T.8 N., R.3 E., Butte County, SD, Hydrologic Unit 10120202, on left bank near downstream end of bridge on U.S. Highway 212, 2.5 mi northwest of Fruitdale, and 8.8 mi downstream from point of diversion to Belle Fourche Reservoir.
DRAINAGE AREA - 4,500 mi² of which 6 mi² probably is noncontributing.
REVISIONS HISTORY - WDR SD-10-1: Drainage area.
PERIOD OF RECORD - October 1945 to current year. Monthly discharge only for October 1945, published in WSP 1309.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,928.09 ft above NAVD of 1988. Prior to Apr. 9, 1947 non-recording gage and Apr. 10, 1947, to Oct. 14, 1948, water-stage recorder, at site 350 ft upstream at same datum. Oct. 15, 1948 to Dec. 30, 1958, water-stage recorder, Dec. 31, 1958 to Sept. 23, 1959, non-recording gage, Sept. 24, 1959 to Dec. 6, 2002, water-stage recorder at site 250 ft upstream at same datum.
REMARKS - Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For water years 2014 onward, records good except for May 11, 2015 to July 1, 2015 and estimated discharges, which are poor, unless otherwise noted. Flow regulated by Keyhole Dam since Oct. 25, 1952, usable capacity, 191,600 acre-ft, 180 mi upstream. At a point 8.8 mi above station, water is diverted to Belle Fourche Reservoir (see station 06435000) through Inlet Canal (see station 06434505), with other smaller diversions from the main stem and tributaries for irrigation. Total diversions for irrigation of about 60,000 acres upstream from station. Satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD - Minimum daily discharge, 0.00 ft³/s, Sept. 10, 1959, also at times in 1959-62 and 1977.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Maximum discharge prior to Sept. 30, 1953, 7,460 ft³/s, June 23, 1947, gage height, 11.03 ft; no flow at times in 1945 and 1948.