PROVISIONAL DATA SUBJECT TO REVISION

Station funded by U.S. Geological Survey National Streamflow Information Program (NSIP).

STATION.--14306500 ALSEA RIVER NEAR TIDEWATER, OR
LOCATION.--Lat 44° 23'10", long 123° 49'50", in NW 1/4 NW 1/4 sec.6, T.14 S., R.9 W., 
Lincoln County, Hydrologic Unit 17100205, on right bank 0.9 mi downstream from 
Grass Creek, 2.5 mi upstream from Scott Creek, 3.8 mi southeast of Tidewater, and 
at mile 21.0.[location map]  
DRAINAGE AREA.--334 mi2. 
PERIOD OF RECORD.--October 1939 to current year. 
GAGE.--Water-stage recorder. Datum of gage is 48.16 ft above NGVD of 1929. Prior to 
Nov. 16, 1939, nonrecording gage at present site and datum. 
REMARKS.--No regulation. Diversion for irrigation upstream from station. Continuous 
water-quality records for the period October 1979 to September 1981 have been collected at this 
location. 
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 41,800 ft3/s Dec. 22, 1964, gage height, 
27.44 ft; minimum discharge, 45 ft3/s Sept. 26, 27, 1965. 
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood on or about Feb. 3, 1890, reached a stage of 
29.5 ft, from floodmark (discharge not determined).

NOTE: River forecasts and additional data can be obtained at the 
National Weather Service's Advanced Hydrologic Prediction Services web page.

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