USGS Water-Year Summary 2021
10254050 Salt Creek near Mecca, CA
LOCATION - Lat 33°26'49", long 115°50'33" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.28, T.8 S., R.11 E., Riverside County, CA, Hydrologic Unit 18100204, on left bank, upstream side of Southern Pacific railroad bridge, 0.3 mi upstream from mouth, and 16 mi southeast of Mecca.
DRAINAGE AREA - 269 mi².
PERIOD OF RECORD - January 1961 to current year (since October 1990, low-flow records only).
GAGE - Water-stage recorder. Elevation of gage is 230 ft below NGVD of 1929, from topographic map. Prior to Dec. 21, 1984, at same site, at datum 2.50 ft lower.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge (January 1961 to September 1990), 9,900 ft³/s, Sept. 24, 1976, gage height, 16.8 ft, present datum, from floodmarks, from rating curve extended above 20 ft³/s, on basis of contracted-opening measurement of peak flow, maximum gage height, 19.4 ft, present datum, Mar. 2, 1983 (backwater from Salton Sea and channel vegetation); no flow for many days most years.