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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
13331500 MINAM RIVER AT MINAM, OR
LOCATION - Lat 45°37'12", long 117°43'32" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.29, T.2 N., R.41 E., Wallowa County, OR, Hydrologic Unit 17060105, on left bank, 2.3 mi downstream from weelikéecet Creek, 0.3 mi west of Minam and at mile 0.3.
DRAINAGE AREA - 240 mi². approximately.
SURFACE-WATER RECORDS
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 and crest-stage gage. 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.
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.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: October 1965 to September 1985, November 2011 to current year.
CHEMICAL ANALYSES: January 1966 to August 1996, August 2011.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 27.2 C° Aug. 15, 16, 2023; minimum, -0.2 C° on many days.
