USGS Water-Year Summary 2017
14301000 NEHALEM RIVER NEAR FOSS, OR
LOCATION - Lat 45°42'15", long 123°45'15" referenced to North American Datum of 1927, in NW 1/4 sec.35, T.3 N., R.9 W., Tillamook County, OR, Hydrologic Unit 17100202, on right bank, 0.2 mi upstream from Cook Creek, 2.2 mi northeast of Foss and at mile 13.5.
DRAINAGE AREA - 667 mi².
PERIOD OF RECORD - October 1939 to current year.
REVISED RECORDS - WYS 2014: 2014.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 32.60 ft above NGVD of 1929 (Oregon Department of Transportation bench mark). Prior to Nov. 11, 1939, nonrecording gage.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 70,300 ft³/s Feb. 8, 1996, gage height, 29.56 ft, on basis of slope-area measurement of peak flow; minimum discharge, 34 ft³/s Aug. 29-31, 1967.