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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
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- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
04294000 MISSISQUOI RIVER AT SWANTON, VT
LOCATION - Lat 44°55'00", long 73°07'44" referenced to North American Datum of 1927, Franklin County, VT, Hydrologic Unit 04150407, on left bank, at Old Railroad abutment, 0.3 mi upstream of dam and Depot Street (Route 78) bridge, 0.3 mi southwest of Post Office in Swanton, 1.1 mi west of Highway 78 and Interstate 89 interchange, and 7.9 mi upstream of mouth.
DRAINAGE AREA - 850 mi².
REVISIONS HISTORY - The measured discharge on Jul 22, 2020 was revised on Jul 9, 2021 due to a computation error. Discharge for the period May 12 to Sep 15, 2020 was revised on Jul 9, 2021 based on changes to the stage-discharge rating.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: March 1990 to current year.
GAGE - Water-stage recorder and crest stage gage. Elevation of gage is 106.9 ft above North American Vertical Datum of 1988. July 6, 1989 to February 28, 1990, nonrecording gage at same site and datum.
COOPERATION - Vermont Department of Environmental Conservation and USGS Groundwater and Streamflow Information Program.
REMARKS - WATER YEARS 2014-2023: Records fair except those for estimated discharges, which are poor. Low flows regulated by power plants upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 37,700 ft³/s, January 20, 1996, gage height, 9.50 ft.
