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USGS Water-Year Summary 2024
14366000 APPLEGATE RIVER NEAR APPLEGATE, OR
LOCATION - Lat 42°14'30", long 123°08'20" referenced to North American Datum of 1927, in NE 1/4 sec.26, T.38 S., R.4 W., Jackson County, OR, Hydrologic Unit 17100309, on left bank, 0.9 mi downstream from Keeler Creek, 1.8 mi southeast of Applegate and at mile 26.7.
DRAINAGE AREA - 483 mi².
REVISIONS HISTORY - WSP 1738: Drainage area. WSP 1935: 1953(M). WDR OR-76-1: 1956(M), 1965(M), WDR-US-2011: 2011.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1938 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,285.33 ft above NGVD of 1929. Prior to Dec. 23, 1938, nonrecording gage at same site and datum.
REMARKS - Flow regulated since December 1980 by Applegate Lake (active capacity, 75,200 acre-ft). Many diversions for irrigation upstream from station. McDonald Creek Canal diverts from McDonald Creek upstream from station for irrigation in Bear Creek basin. Thompson Creek Irrigation Association ditch diverts upstream from station for irrigation in Thompson Creek basin. Fowler-Keeler and Berryman ditches divert upstream from station for irrigation downstream.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Feb. 20, 1927, reached a stage of 18.7 ft, from floodmarks.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 37,200 ft³/s Jan. 15, 1974, gage height, 20.41 ft, from rating curve extended above 18,000 ft³/s on basis of slope-area measurements of flow at gage heights 18.00 ft and 19.57 ft; minimum discharge, 4.6 ft³/s Sept. 22-25, 1979. Minimum discharge since first filling of Applegate Lake, 22 ft³/s July 24, 2001.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: August 1973 to current year.
INSTRUMENTATION - Temperature probe and data logger.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum, 28.0°C July 29, 30, Aug. 3, 4, 1974; minimum, 0.0°C on several days during winters most years. Maximum since full operation of Applegate Lake, 25.5°C July 5, 1984, July 16, 19, 27, 1992; minimum, 0.0°C on several days during winters most years.
