USGS Water-Year Summary for Site 10257720

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	00060 Discharge(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

10257720 Chino Canyon Creek below Tramway, near Palm Springs, CA

LOCATION - Lat 33°50'39", long 116°36'16" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.07, T.4 S., R.4 E., Riverside County, CA, Hydrologic Unit 18100201, on left bank, 0.5 mi downstream from tram building, 3.5 mi west of Highway 111 on road leading to Palm Springs Aerial Tramway, and 5.5 mi west of Palm Springs.

DRAINAGE AREA - 4.71 mi².

REVISIONS HISTORY -

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1986 to current year.

GAGE - Water-stage recorder and crest-stage gage. Concrete control with low-water v-notch weir since June 25, 1996. Elevation of gage is 2,100 ft above NGVD of 1929, from topographic map.

REMARKS - Two small diversions upstream, one for city of Palm Springs and one for Palm Springs aerial tramway. October 1974 to July 1985, data published as "Chino Canyon Creek near Palm Springs" (station 10257710), with station located 0.45 mi upstream from present location. Previous gage destroyed by debris flow on July 19, 1985. Data for these sites are roughly equivalent. Debris flow of Feb. 14, 2019 destroyed gage at culvert entrance. On Apr. 2, 2019 gage was relocated 150 ft upstream of culvert using same gage datum but with a gage of zero flow 19.8 ft higher. See schematic diagram of Salton Sea Basin available from the California Water Science Center.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 153 ft³/s, Jan. 7, 1993, gage height, 10.18 ft, from rating curve extended above 35 ft³/s, on basis of critical depth computations, maximum gage height, 10.88 ft, Dec. 22, 2010; no flow for many days in some years. The peak discharge for the flood of February 14, 2019, which destroyed the gage, may have exceeded the maximum recorded discharge and gage height, but are unknown as the result of a massive debris flow.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years 1987 to current year (water years 2007, 2012, 2013, 2015 and 2016 published as Chino Canyon Creek near Palm Springs (station 10257710).