USGS Water-Year Summary 2024

11355500 HAT CREEK NEAR HAT CREEK CA

LOCATION - Lat 40°41'20.8", long 121°25'22.1" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 sec.28, T.33 N., R.5 E., Shasta County, CA, Hydrologic Unit 18020003, on right bank, 0.38 mi downstream from Cave Campground, 1.1 mi northeast of Old Station, and 10.8 mi southeast of Hat Creek.

DRAINAGE AREA - 162 mi². hydrologic drainage boundary uncertain because of ground-water exchange.

SURFACE-WATER RECORDS

PERIOD OF RECORD - July 1926 to September 1929, April 1930 to September 1994, May 2016 to April 2024 (discontinued).

GAGE - Water-stage recorder. Datum of gage is 4293.57 ft above NAVD of 1988. July 1926 to April 1928, at site 0.5 mi upstream at different datum. May 1928 to July 1965, at site 80 ft upstream at datum 2.76 ft higher.

REMARKS - Minor diversion for irrigation upstream from station. See schematic diagram of Pit and McCloud River basins.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,320 ft³/s, Dec. 11, 1937, gage height, 7.75 ft, in gage well, affected by drawdown, site and datum then in use, from rating curve extended above 610 ft³/s on basis of slope-area measurement of peak flow; minimum, 67 ft³/s, Sept. 7, 1934.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD -
DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years 1977-1978, 2016-2017. 

CONTINUOUS WATER-QUALITY DATA:
WATER TEMPERATURE: Water years May 2016 to current year.