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Water-Year Summary for Site 12446995

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 48°24'19", long 119°37'14" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.31, T.34 N., R.26 E., Okanogan County, WA, Hydrologic Unit 17020006, on right bank of the compound weir, 4.0 mi upstream of mouth, 3.5 mi northwest of Okanogan.
DRAINAGE AREA - 148 mi².
PERIOD OF RECORD - October 2012 to current Year. October 1903 to July 1910, at site .28 miles downstream, at current diversion location, prior to diversion, published as (12447000 Salmon creek nr Okanogan, Wa).
GAGE - Water-stage recorder. Elevation of gage is 1,398 ft above NGVD of 1988, from topographic map.
REMARKS - Regulation from Conconully reservoir, and Salmon Lake, with a combined capacity of 23,500 acre-ft. Several diversions upstream from station for irrigation. U.S. Geological Survey satellite telemeter at station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 858 ft³/s May 10, 2018, gage height 5.10 ft;  Maximum gage height, 7.06 ft from ice jam; Minimum discharge, .11 ft³/s February 14, 2019, but may have been lower during periods of ice effect.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Maximum discharge, 609 ft³/s April 28, 1904; Minimum daily discharge, 2.9 ft³/s January 13, 1909.