PROVISIONAL DATA SUBJECT TO REVISION

Station operated in cooperation with the U.S. Army Corps of Engineers.

STATION.--14159200 SOUTH FORK MCKENZIE RIVER ABOVE COUGAR LAKE, NEAR RAINBOW, OR 

LOCATION.--Lat 44° 02'50", long 122° 13'00", in T.17 S., R.5 E., Lane County, 
    Hydrologic Unit 17090004, in Willamette National Forest, on right bank 100 ft 
    upstream from Tipsoo Creek, 8.0  mi south of Rainbow, 9.0 mi southeast of town 
    of Blue River, and at mile 10.4.
DRAINAGE AREA.--160 mi2.
PERIOD OF RECORD.--October 1957 to September 1987. December 2000 to present.
GAGE.--Water-stage recorder. Datum of gage is 1,709.51 ft above NGVD of 1929 (Corps of 
    Engineers bench mark).
REMARKS.--Flow regulated since 1963 by Cougar Lake (station 14159400), usable 
    capacity, 164,800 acre-ft. No diversion upstream from station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 18,400 ft3/s Dec. 22, 1964, gage 
    height, 20.06 ft, from rating curve extended above 7,600 ft3/s, on basis of 
    slope-area measurement of peak flow; minimum discharge, 171 ft3/s Sept. 16, 17, 1981.

NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.