USGS Water-Year Summary 2020
14092500 DESCHUTES RIVER NEAR MADRAS, OR
LOCATION - Lat 44°43'34", long 121°14'45" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.01, T.10 S., R.12 E., Jefferson County, OR, Hydrologic Unit 17070306, on right bank, 400 ft downstream from re-regulating dam, 2.7 mi downstream from Pelton Dam, 8.5 mi northwest of Madras and at mile 100.1.
DRAINAGE AREA - 7,820 mi². approximately.
- WSP 1398: Drainage area.
PERIOD OF RECORD - December 1923 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,390.25 ft above NGVD of 1929 (levels by Portland General Electric Co.). See WSP 1738 for history of changes prior to Nov. 23, 1957.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 22,500 ft³/s July 16, 1983, gage height, 7.70 ft, from floodmarks, caused by accidental release from Pelton Dam; minimum discharge, 916 ft³/s July 4, 1982, result of power company testing control gates on dam.
PERIOD OF RECORD - WATER TEMPERATURE: March 1952 to November 1956, January to September 1958, October 1971 to October 1988, November 2005 to current year.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 18.0°C occurred during period Aug. 1 to Sept. 30, 1974; minimum, 3.5°C Feb. 8, 1979.