USGS Water-Year Summary 2021
12401500 KETTLE RIVER NEAR FERRY, WA
LOCATION - Lat 48°58'53", long 118°45'55" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.10, T.40 N., R.32 E., Ferry County, WA, Hydrologic Unit 17020002, on right bank 0.5 mi upstream from Catherine Creek, 1.3 mi south of international boundary and Ferry, 3.2 mi upstream from Toroda Creek, and at mile 84.02.
DRAINAGE AREA - 2,200 mi².
PERIOD OF RECORD - August 1928 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,836.8 ft above NGVD of 1929. Prior to Nov. 23, 1928, nonrecording gage at same site and datum.
COOPERATION - This station is maintained by the United States under agreement with Canada.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 23,700 ft³/s May 10, 2018, gage height, 22.50 ft; minimum discharge, 14 ft³/s, discharge measurement, Jan. 23, 1930, but may have been less during period of ice effect Jan. 18-23, 1930.