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Station operated in cooperation with Douglas County, OR.
STATION.--14310000 COW CREEK NEAR RIDDLE, OR
LOCATION.--Lat 42° 55'25", long 123° 25'40", in NE 1/4 sec.32, T.30 S., R.6 W.,
Douglas County, Hydrologic Unit 17100302, on left bank 0.4 mi upstream from Council
Creek, 3.8 mi southwest of Riddle, and at mile 6.7.
DRAINAGE AREA.--456 mi2.
PERIOD OF RECORD.--September 1954 to current year.
GAGE.--Water-stage recorder. Datum of gage is 682.60 ft above NGVD of 1929.
REMARKS.--Regulated since Oct. 7, 1985 by Galesville Reservoir (station 14308995).
Many small diversions for irrigation upstream from station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 38,400 ft3/s Jan. 15, 1974,
gage height, 28.17 ft; minimum discharge, 7.4 ft3/s Aug. 17-19, 1977.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Oct. 29, 1950, reached a stage of about
28.5 ft, present site and datum, from slope-area measurement, discharge, 41,100 ft3/s.
NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
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