USGS Water-Year Summary 2020
10257600 Mission Creek near Desert Hot Springs, CA
LOCATION - Lat 33°59'46.22", long 116°35'45.63" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 sec.17, T.2 S., R.4 E., Riverside County, CA, Hydrologic Unit 18100201, on right bank levee, 600 ft upstream of Mission Creek Road crossing, 2.5 mi northwest of Highway 62 and Pierson Boulevard intersection, and 5.9 mi northwest of Desert Hot Springs.
DRAINAGE AREA - 37.3 mi².
PERIOD OF RECORD - October 1967 to current year.
GAGE - Water-stage recorder, crest-stage gage, and natural cobble riffle since Dec. 2019. Elevation of gage is 2,400 ft above NGVD of 1929, from topographic map. Prior to Dec. 2019, water-stage recorder and concrete scour limiter at site 1.4 mi upstream at different datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,750 ft³/s, Aug. 17, 1983, gage height, 3.33 ft, on basis of slope-conveyance study of peak flow, maximum gage height, 6.40 ft, Jan. 25, 1969; no flow for many days in some years.