USGS Water-Year Summary 2024
11451715 Bear Creek above Holsten Chimney Canyon near Rumsey, CA
LOCATION - Lat 38°57'28", long 122°20'30" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.19, T.13 N., R.4 W., Colusa County, CA, Hydrologic Unit 18020116, on the left bank downstream side of Highway 16 bridge, 2.9 mi upstream from confluence with Cache Creek, and 7.4 mi northwest of Rumsey.
DRAINAGE AREA - 94.9 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
November 1997 to current year (seasonal only starting in 2022). CHEMICAL DATA: Water year 2000.
SEDIMENT DATA: Water year June 2000.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 818.49 ft above NAVD of 1988.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 9,200 ft³/s, Jan. 5, 1965.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,510 ft³/s, Feb. 2, 1998, gage height, 13.57 ft, from rating curve extended above 3,000 ft³/s; no flow many days in 2014-2015 and 2021-2022.