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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
06410000 CASTLE CREEK BELOW DEERFIELD DAM, SD
LOCATION - Lat 44°01'45", long 103°46'53" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.20, T.1 N., R.3 E., Pennington County, SD, Hydrologic Unit 10120110, on left bank 200 ft upstream from Dutchman Creek, 1,100 ft downstream from Deerfield Dam, and 12.5 mi northwest of Hill City.
DRAINAGE AREA - 92.2 mi².
REVISIONS HISTORY - WDR SD-10-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1946 to current year, seasonal records only beginning October 1983.
GAGE - Water-stage recorder. Datum of gage is 5785.80 ft. above North American Vertical Datum of 1988, determined from US Bureau of Reclamation benchmark. Prior to Oct. 15, 1947, at site 400 ft downstream at datum 0.23 ft higher. Oct. 15, 1947, to Sept. 1, 1948, at site 550 ft downstream at datum 1.77 ft lower, and Sept. 2, 1948, to Nov. 2, 1971, at site 300 ft upstream at datum 4.0 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 completely regulated by Deerfield Dam, 1,100 ft upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 200 ft³/s, May 22, 1952; maximum gage height, 5.08 ft, present datum, Jun. 5, 1991; no flow at times in 1948, 1950-60.
