USGS Water-Year Summary 2020
12452990 ENTIAT RIVER NEAR ENTIAT, WA
LOCATION - Lat 47°39'48", long 120°14'58" referenced to North American Datum of 1927, in NW 1/4 SE 1/4 sec.18, T.25 N., R.21 E., Chelan County, WA, Hydrologic Unit 17020010, on left bank 200 ft upstream from bridge, 1.2 mi west of Entiat High School, and at mile 1.4.
DRAINAGE AREA - 419 mi².
PERIOD OF RECORD - March 1996 to current year.
GAGE - Water-stage recorder. Elevation of gage is 750 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,600 ft³/s, June 17, 1999, gage height, 11.20 ft; minimum discharge, 55.2 ft³/s, February 6, 2019, gage height, 6.51 ft , but may have been lower during periods of ice effect.