USGS Water-Year Summary 2020
01334000 WALLOOMSAC RIVER NEAR NORTH BENNINGTON, VT
LOCATION - Lat 42°54'46", long 73°15'25" referenced to North American Datum of 1927, Bennington County, VT, Hydrologic Unit 02020003, on left bank, 500 ft downstream of River Road Covered bridge, 700 ft downstream of Old Mill Dam, 0.6 mi downstream from Paran Creek, 1.4 mi south of State Highway 67 and 67A intersection in North Bennington, and 3.9 mi northwest of Town Hall in Bennington.
DRAINAGE AREA - 111 mi².
- WSP 781: 1933(M).
PERIOD OF RECORD - Discharge records: June 1931 to current year.
GAGE - Water-stage recorder. Elevation of gage is 525.44 ft above North Atlantic Vertical Datum of 1988.
COOPERATION - Vermont Department of Environmental Conservation.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,420 ft³/s, August 28, 2011, gage height 12.82 ft, from rating curve extended above 2,800 ft³/s on basis of contracted-opening measurements at gage heights 10.13 ft, 10.49 ft, 11.50 ft, 12.04 ft, and 12.82 ft and slope-area measurement and computation of flow over dam at gage height 12.04 ft; minimum, 4.0 ft³/s, September 27, 1932.