USGS Water-Year Summary 2023
14159130 SOUTH FORK MCKENZIE RIVER ABOVE ROARING RIVER NEAR COUGAR DAM, OR
LOCATION - Lat 43°57'25.3", long 122°05'06.0" referenced to North American Datum of 1983, Lane County, OR, Hydrologic Unit 17090004, Willamette National Forest, on left bank at downstream side of bridge on forest road 19, 14.0 mi southwest of Cougar Dam, and 0.35 mi upstream of Roaring River.
DRAINAGE AREA - 56.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 2023 to current year (gage-heights only).
GAGE - Water-stage recorder. Elevation of gage is 2,550 ft above NAVD of 1988, from digital elevation model.
EXTREMES FOR PERIOD OF RECORD - Maximum gage height, 10.17 ft
Sept. 26, 2023; minimum gage height, 10.07 ft Sept. 14, 17, 18, 2023.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: August 2023 to current year.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 9.4°C
Aug. 30, 2023; minimum, 6.6°C Sept. 21, 22, 2023.