USGS Water-Year Summary 2020
10256500 Snow Creek near White Water, CA
LOCATION - Lat 33°52'14", long 116°40'49" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.33, T.3 S., R.3 E., Riverside County, CA, Hydrologic Unit 18100201, on left bank, at upstream side of Desert Water Agency Diversion Dam, 0.1 mi downstream from East Fork, and 4.4 mi southwest of White Water.
DRAINAGE AREA - 10.9 mi².
- WDR CA-89-1: Drainage area. WDR CA-90-1: 1980, Combined discharge. WDR CA-93-1: 1991. WDR CA-96-1: 1969 (instantaneous maximum discharge), 1976 (instantaneous maximum discharge).
PERIOD OF RECORD - July to December 1921, May 1922 to February 1927, December 1927 to September 1931, October 1959 to current year. Yearly discharges for 1929-31, published in WSP 1314. Discharge records for Snow Creek Diversion (station 10256550) since October 1978, and those for creek only October 1978 through September 1988 available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder, crest-stage gage, and broad-crested weir on creek, nonrecording flow meter on diversion. Elevation of gage is 2,000 ft above NGVD of 1929, from topographic map. Prior to October 1931, at various sites within 500 ft of present site at different datums. October 1959 to Oct. 6, 1970, at site 40 ft upstream at present datum. Oct. 6, 1970, to Oct. 25, 1978, at site 290 ft upstream from diversion at present datum. Gage moved to present site 10 ft downstream from diversion Oct. 25, 1978.
COOPERATION - Records for diversion provided by Desert Water Agency.
EXTREMES FOR PERIOD OF RECORD - (Combined creek and diversion) Maximum discharge, 9,900 ft³/s, Jan. 25, 1969, gage height, 13.8 ft, from floodmarks, site and datum then in use, from rating curve extended above 55 ft³/s, on basis of slope-area measurement of peak flow.
PERIOD OF RECORD
DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years 1972-73, 1975 to current year.