USGS Water-Year Summary 2024

04290500 WINOOSKI RIVER NEAR ESSEX JUNCTION, VT

LOCATION - Lat 44°28'44", long 73°08'21" referenced to North American Datum of 1927, Chittenden County, VT, Hydrologic Unit 04150403, on right bank, 0.3 mi downstream from Muddy Brook, 1.5 mi downstream of State Highway 2A bridge, 1.6 mi southwest of Town Hall in Essex Junction, and 1.8 mi northeast of US 2 and State Highway 116 intersection in South Burlington.

DRAINAGE AREA - 1,044 mi².

REVISIONS HISTORY - WSP 714: 1930(M). WSP 894: Drainage area. WSP 1307: 1929(M).

SURFACE-WATER RECORDS

PERIOD OF RECORD - Discharge records: October 1928 to current year.

GAGE - Water-stage recorder. Elevation of gage is 191.17 ft above North American Vertical Datum of 1988; prior to October 1, 1964, datum was 1.00 ft higher.

COOPERATION - USGS Federal Priority Streamgage Program

REMARKS - WATER YEARS 2014-23: Records good except those for estimated discharges, which are poor. Flow regulated by power plants upstream, by Peacham Pond and Mollys Falls Reservoir, combined usable capacity, 492 million ft³, by Waterbury Reservoir (station 04288500) since 1937, and by East Barre and Wrightsville Detention Reservoirs (Reservoirs in Winooski River Basin above Montpelier) since 1935.

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge since at least 1830, 113,000 ft³/s, November 4, 1927, gage height, 51.4 ft, present datum, from floodmarks, from rating curve extended above 34,000 ft³/s on basis of computations of flow over dam at gage heights 19.72, 24.54, and 51.4 ft, and slope-area measurements at gage height 51.4 ft, all at present datum.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 45,300 ft³/s, March 19, 1936, gage-height 24.54 ft.