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Part of the U.S. Geloogical Survey Hydrologic Benchmark Nework.
13331500 MINAM RIVER AT MINAM, OR
LOCATION.--Lat 45° 37'12", long 117° 43'32", in SW 1/4 SW 1/4 sec.29, T.2 N., R.41 E., Wallowa
County, Hydrologic Unit 17060105, on left bank 2.3 mi downstream from Squaw Creek, 0.3 mi west of
Minam, and at mile 0.3.
DRAINAGE AREA.--240 mi2, approximately.
PERIOD OF RECORD.--June 1912 to March 1914, September 1965 to current year. Monthly discharge only
for some periods, published in WSP 1317.
GAGE.--Water-stage recorder. Datum of gage is 2,540.48 ft above NGVD of 1929. June 1912 to
March 1914, nonrecording gage at approximately same site at different datum.
REMARKS.--No regulation. Minam Lake, capacity 440 acre-ft, has stored and diverted flow from Minam
River since 1917 for irrigation in Lostine River basin. Continuous water temperature October 1965
to September 1985. Chemical analysis water years 1966 to 1995.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,260 ft3/s June 16, 1974, gage height, 6.89 ft;
maximum gage height, 7.3 ft May 28, 1913, datum then in use; minimum discharge, 10 ft3/s
Dec. 6, 1972, Jan. 10, 1973, result of freezeup.
NOTE: The most current shifted rating for this site can be found at USGS Rating Depot website.
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