USGS Water-Year Summary 2021
14165500 MCKENZIE RIVER NEAR COBURG, OR
LOCATION - Lat 44°06'47.0", long 123°02'49.1" referenced to North American Datum of 1983, Lane County, OR, Hydrologic Unit 17090004, on right bank, at upstream side of Armitage Bridge, 2 mi southeast of Coburg and at mile 7.2.
DRAINAGE AREA - 1,337 mi².
- WSP 1638: Drainage area.
PERIOD OF RECORD - October 1944 to September 1972, November 2010 to September 2011 (gage heights only), October 2011 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 386.08 ft above NAVD of 1988 (levels by U.S. Army Corps of Engineers). Prior to Nov. 24, 1944, nonrecording gage and Nov. 25, 1944 to Sept. 30, 1972, at site 30 ft downstream at different datums.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood stage of 22.2 ft was reached in December 1861, 21.8 ft in February 1890, and 20.1 ft in January 1943 (information from U.S. Army Corps of Engineers), all at different datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 88,200 ft³/s Dec. 29, 1945, gage height, 21.36 ft, site and datum then in use, from rating curve extended above 59,000 ft³/s; minimum discharge, 1,080 ft³/s Aug. 19, 1966.