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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
06421500 RAPID CREEK NEAR FARMINGDALE, SD
LOCATION - Lat 43°56'31.61", long 102°51'12.50" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 SW 1/4 sec.19, T.1 S., R.11 E., Pennington County, SD, Hydrologic Unit 10120110, on right bank at downstream side of bridge, 2 mi southeast of Farmingdale, and 4.8 mi downstream from Antelope Creek.
DRAINAGE AREA - 603 mi².
REVISIONS HISTORY - WDR SD-10-1: Drainage area. WDR SD-2014: 2010 (M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1946 to current year. October 1989 to September 1990, operated as a partial-record crest-stage gage.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,699.74 ft above NAVD of 1988. Prior to Sept. 19, 1947, nonrecording gage at same site and 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 Aug. 31, 2016 to Oct. 24, 2016, which are fair, and estimated discharges, which are poor, unless otherwise noted. Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018. Record quality is still being rated internally. For questions about record quality ratings, please send email to gs-w-sd_NWISWeb_Data_Inquiries@usgs.gov. Flow regulated by Pactola Dam 67 mi upstream since Aug. 22, 1956 (reservoir filled from August 1956 to June 1963). Diversions of irrigation of about 10,000 acres upstream from station. Satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge prior to regulation, 2,640 ft³/s, June 21, 1947, gage height, 8.40 ft; maximum discharge after regulation, 7,320 ft³/s, June 10, 1972, from rating curve extended above 400 ft³/s, on basis of contracted-opening and flow-over-road measurement of peak flow, gage height, 11.85 ft, from floodmarks; minimum daily discharge, 0.00 ft³/s, May 30, 1969, no flow at times in some years.
