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Water-Year Summary for Site USGS 10259100

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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.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
10259100 Whitewater River at Rancho Mirage, CA
LOCATION - Lat 33°44'58", long 116°25'19" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 sec.12, T.5 S., R.5 E., Riverside County, CA, Hydrologic Unit 18100201, on right bank, 0.2 mi upstream from Magnesia Spring Canyon storm channel, and 2.7 mi northwest of the intersection of Highways 111 and 74.
DRAINAGE AREA - 588 mi².
REVISIONS HISTORY - WDR CA-93-1: 1989-92 (instantaneous maximum discharge). WDR CA-95-1: 1993, 1993 (instantaneous maximum discharge).
PERIOD OF RECORD - March 1989 to current year.
GAGE - Water-stage recorder, crest-stage gage, and concrete control. Elevation of gage is 230 ft above NGVD of 1929, from topographic map. Prior to Dec. 4, 1997, at datum 10.00 ft lower.
REMARKS - Water diverted from tributary streams for municipal supply in vicinity of Palm Springs. Water from the Colorado River Basin is imported for ground-water recharge and irrigation. See schematic diagram of Salton Sea Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 27,500 ft³/s, Feb. 14, 2019, gage height, 15.60 ft, on basis of critical depth computations; no flow for many days in each year.