USGS Water-Year Summary 2021
11525530 Rush Creek near Lewiston, CA
LOCATION - Lat 40°43'29", long 122°50'01" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.12, T.33 N., R.9 W., Trinity County, CA, Hydrologic Unit 18010211, on left bank, 0.1 mi downstream from Snow Gulch, 0.3 mi upstream of confluence with Trinity River, and 2.3 mi northwest of Lewiston.
DRAINAGE AREA - 22.3 mi².
PERIOD OF RECORD - October 2002 to current year.
SEDIMENT DATA: Water year 2006.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,837 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,940 ft³/s, Feb. 17, 2004, gage height, 4.87 ft; minimum daily, 0.04 ft³/s, Jul. 19, 2021.
PERIOD OF RECORD - November 2005 to July 2006 (discontinued).
SEDIMENT DATA: November 2005 to May 2006 (discontinued).
PERIOD OF DAILY RECORD - TOTAL SEDIMENT DISCHARGE: December 2005 to July 2006 (discontinued).
COOPERATION - U.S. Geological Survey with U. S. Bureau of Reclamation, Trinity River Restoration Program. Records collected by Graham Matthews and Associates, under general supervision of the U.S. Geological Survey.
EXTREMES FOR PERIOD OF DAILY RECORD - SEDIMENT CONCENTRATION: Maximum daily mean, 4,000 mg/L, Dec. 30, 2005; minimum daily mean, 0 mg/L, many days.
SUSPENDED SEDIMENT DISCHARGE: Maximum daily, 13,200 tons, Dec. 30, 2005; minimum daily, 0 ton, many days .