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USGS Water-Year Summary 2024
14020000 UMATILLA RIVER ABOVE MEACHAM CREEK, NEAR GIBBON, OR
LOCATION - Lat 45°43'11", long 118°19'20" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.21, T.3 N., R.36 E., Umatilla County, OR, Hydrologic Unit 17070103, Umatilla Indian Reservation, on right bank, 0.8 mi downstream from Ryan Creek, 2.2 mi upstream from Meacham Creek, 2.5 mi northeast of Gibbon and at mile 83.1.
DRAINAGE AREA - 131 mi².
REVISIONS HISTORY -
WSP 1935: 1946-48(M), 1950(M), 1953(M), 1956-59(M), drainage area.
Revision: Daily discharge for Dec. 22, 1955 has been revised and is available via NWISWeb.
Revision: The maximum discharge for water year 1947 was revised on Aug. 13, 2019, based on figure published in WSP 1935.
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1933 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,854.81 ft above NGVD of 1929. Prior to June 27, 1939, at site 1 mi downstream at datum 43.94 ft lower.
REMARKS - No regulation or diversion upstream from station. Continuous water-quality records for period June 1959 to September 1980 have been collected at this location.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 12,800 ft³/s Feb. 6, 2020, gage height, 12.56 ft, from high-water mark, from rating curve extended above 3,500 ft³/s; minimum discharge, 16 ft³/s Nov. 9, 1965, momentary regulation from unknown source.
