Click
to
hide
Water-Year
Summary
instructions
and
information
- 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
06413620 SOUTH CANYON NEAR RAPID CITY, SD
LOCATION - Lat 44°05'34", long 103°19'37" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 NW 1/4 sec.31, T.2 N., R.7 E., Pennington County, SD, Hydrologic Unit 10120110, along left bank downstream of concrete culvert at the intersection of CR 234 (Nemo Road) and Echo Drive in the northwest side of Rapid City.
DRAINAGE AREA - 2.90 mi².
REVISIONS HISTORY - WDR SD-10-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - 1998-present.
GAGE - Seasonal water-stage recorder and crest-stage gage. Datum of gage is 3,704.29 ft above North American Vertical Datum of 1988 (NAVD88). Prior to conversion to NAVD88 datum, elevation of gage was published as 3,710 ft above NGVD of 1929, from topographic map. METWARN station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 38 ft³/s, from rating curve extended above 27.5 ft³/s, on basis of slope-area measurement of peak flow, Aug.17, 2007, gage height, 4.70 ft, from floodmarks; maximum gage height, 5.84 ft, May, 2023, (backwater from gravel deposit).
