USGS Water-Year Summary 2018
06425500 ELK CREEK NEAR ELM SPRINGS, SD
LOCATION - Lat 44°14'54", long 102°30'10" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.01, T.3 N., R.13 E., Meade County, SD, Hydrologic Unit 10120111, on left bank near downstream end of county highway bridge, 1.4 mi downstream from Hay Draw, 5.0 mi southeast of Elm Springs, and 7.0 mi upstream from mouth.
DRAINAGE AREA - 548 mi².
- WDR SD-10-1: Drainage area.
PERIOD OF RECORD - July 1949 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,305.99 ft above NAVD of 1988. Prior to Nov. 2, 1976, nonrecording gage, and prior to Feb. 1, 1967, at site 350 ft downstream at present datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known, about 17 ft, at former site, in May 1920, from information by local residents.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,540 ft³/s, from rating curve extended above 5,100 ft³/s, Mar. 29, 1952, gage height, 10.61 ft, from floodmarks, site and datum then in use; maximum gage height, 16.22 ft, Feb. 18, 1997, backwater from ice, from floodmark; minimum daily discharge, 0.00 ft³/s, Oct. 1, 1949, no flow for long periods in most years.