USGS Water-Year Summary 2022
06425100 ELK CREEK NEAR RAPID CITY, SD
LOCATION - Lat 44°14'25", long 103°09'03" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.09, T.3 N., R.8 E., Meade County, SD, Hydrologic Unit 10120111, on section line near right upstream corner of county road bridge, 1.7 mi downstream from Morris Creek tributary, and 10 mi north of Exit 61 off I-90 northeast of Rapid City.
DRAINAGE AREA - 211 mi².
- WDR SD-10-1: Drainage area.
PERIOD OF RECORD - November 1978 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,943.73 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,870 ft³/s, from rating curve extended above 2,200 ft³/s, on basis of slope-area measurement of peak flow, Oct. 11 2013, gage height, 12.71 ft, from floodmarks; minimum daily discharge, 0.00 ft³/s, Oct. 1, 1979, no flow for many days in most years.