Alsea Station Description

 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 sea level. Prior to 

     Nov. 16, 1939, nonrecording gage at present site and datum. 

 REMARKS.--Records provisional. 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. 

 AVERAGE DISCHARGE.--61 years (water years 1940-2000), 1,490 ft3/s, 60.62 in/yr, 

     1,080,000 acre-ft/yr. 

 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).

 COOPERATOR.--Support in the form of funding provided by the U.S. Geological Survey.

Daily Mean Flow Statistics for 08/10 based on 60 years of record, in ft³/s

Flood thresholds

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