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Water-Year Summary for Site 06423500

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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.
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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
06423500 CHEYENNE RIVER NEAR WASTA, SD
LOCATION - Lat 44°04'52", long 102°24'03" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 NW 1/4 sec.02, T.1 N., R.14 E., Pennington County, SD, Hydrologic Unit 10120111, on left bank at downstream side of highway bridge, 200 ft downstream from railroad bridge, 3.0 mi east of Wasta, and 8.6 mi downstream from Boxelder Creek.
DRAINAGE AREA - 12,679 mi² of which 5 mi² probably is noncontributing.
REVISIONS HISTORY - WSP 1279: 1930(M), 1931, 1937. See also Period of Record. WDR SD-10-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1914 to June 1915, Aug. 1928 to June 1932, Mar. 1934 to current year. Monthly discharge only for some periods, published in WSP 1309. Records for Feb. 19-28, 1930, published in WSP 701, have been found to be unreliable and should not be used.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,260.78 ft above NGVD of 1929. Prior to Aug. 1, 1940, nonrecording gage at site 50 ft upstream; Aug. 1, 1940, to Dec. 3, 1940, nonrecording gage and Dec. 4, 1940, to Sept. 30, 1968, water-stage recorder at present site all at datum 2.00 ft higher. Oct. 1, 1968, to Sept. 30, 1972, at datum 1.00 ft higher.
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 estimated discharges, which are poor, unless otherwise noted. Flow regulated by Angostura Dam 108 mi upstream since October 1949 and by upstream reservoirs in the Rapid Creek Basin. The most downstream of the reservoirs in the Rapid Creek Basin, Pactola Reservoir, was the last to fill, and reached maximum pool elevation in June 1963 (began filling in August 1956). Satellite data-collection platform at station.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of May 1920 reached a stage of 18 ft, present datum, from information by local residents.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Prior to Oct. 1, 1963, maximum discharge observed, 46,300 ft³/s, from rating curve extended above 11,000 ft³/s, on basis of an incomplete discharge measurement at gage height, 10.65 ft, present datum, May 6, 1932, gage height, 13.28 ft, present datum; maximum gage height observed, 14.50 ft, present datum, Jun. 13, 1915; minimum daily discharge, 1.0 ft³/s, Jul. 27, 1961.