USGS Water-Year Summary 2024
14400000 CHETCO RIVER NEAR BROOKINGS, OR
LOCATION - Lat 42°07'25", long 124°11'10" referenced to North American Datum of 1927, in SE 1/4 sec.12, T.40 S., R.13 W., Curry County, OR, Hydrologic Unit 17100312, on right bank, 16 ft upstream from bridge, 0.5 mi upstream from Elk Creek, 6.8 mi northeast of Brookings and at mile 10.7.
DRAINAGE AREA - 271 mi².
REVISIONS HISTORY - Revision: Annual maximum gage-height for water years 1986-1989 and 1991-1993 were revised on Dec. 6, 2023, based on further review of the annual peak gage-height record.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1969 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 49.16 ft above NAVD of 1988 (determined by GPS).
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Dec. 22, 1964, reached a stage of 32.25 ft, from high-water mark on bridge pier, discharge, 85,400 ft³/s, from rating curve extended above 45,000 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 76,100 ft³/s Nov. 19, 1996, gage height, 28.56 ft; minimum discharge, 27 ft³/s Oct. 12, 2012.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: September 2023 to current year.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 22.6°C Sept. 14, 2023; minimum, 15.7°C Sept. 28, 2023.