USGS Water-Year Summary 2023
14013800 BENNINGTON LAKE NEAR WALLA WALLA, WA
LOCATION - Lat 46°03'53", long 118°15'45" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.23, T.7 N., R.36 E., Walla Walla County, WA, Hydrologic Unit 17070102, is located on the earthen dam of Bennington Lake (formerly known as Mill Creek Lake), 1.9 mi east of Walla Walla, and at mile 11.5.
DRAINAGE AREA - 96 mi²
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2007 to current year. Prior to October 2008, published as Mill Creek Lake.
GAGE - Water stage recorder.
COOPERATION - Corps of Engineers
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 1,249.50 ft., February 7, 2020.