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Water-Year Summary for Site 06430850

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

Water year 2019: 2018-10-01 to 2019-09-30
 

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USGS Water-Year Summary 2019
06430850 LITTLE SPEARFISH CREEK NEAR LEAD, SD
LOCATION - Lat 44°20'58.93", long 103°56'07.54" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 SE 1/4 sec.36, T.5 N., R.1 E., Lawrence County, SD, Hydrologic Unit 10120203, on left bank 0.3 mi upstream from Savoy, 0.4 mi upstream from mouth, 0.6 mi downstream from Roughlock Falls, and 13.6 mi northwest of Lead.
DRAINAGE AREA - 27.8 mi².
REVISIONS HISTORY - WDR SD-10-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Oct. 1988 to Sept. 1998, Oct. 1999 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 5,019.79 ft above NAVD of 1988.
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 Jun. 4, 6, 9-18, 2018 which are fair, and estimated discharges, which are poor, unless otherwise noted. Satellite data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 215 ft³/s, June 1, 2013, from rating curve extended above 55 ft³/s; gage height, 5.93 ft.