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Water-Year Summary for Site 01135500

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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.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
01135500 PASSUMPSIC RIVER AT PASSUMPSIC, VT
LOCATION - Lat 44°21'56", long 72°02'23" referenced to North American Datum of 1927, Caledonia County, VT, Hydrologic Unit 01080102, on right bank, 0.7 mi upstream from Water Andric, 1.1 mi downstream from dam, bridge, and village of Passumpsic, 3.8 mi south of Town Hall in St. Johnsbury, 4.0 mi upstream from mouth, and 4.8 mi north of Post Office in Barnet.
DRAINAGE AREA - 436 mi².
REVISIONS HISTORY - WSP 781: 1933(M). WSP 871: Drainage area. WSP 1231: 1929, 1930-31(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: October 1928 to current year. Monthly discharge only October 1928, published in WSP 1301.
GAGE - Water-stage recorder. Datum of gage is 487.79 ft above North American Vertical Datum of 1988.
COOPERATION - Vermont Department of Environmental Conservation and USGS Groundwater and Streamflow Information Program.
REMARKS - WATER YEAR 2014-22: Records good except those for estimated discharges, which are poor. Low flow regulated by power plants upstream.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage since at least 1780, about 31.5 ft in November 1927, from information by local residents (discharge not determined).
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 18,200 ft³/s, July 1, 1973, gage height 23.49 ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1953, 1956 to 1958, 1960, 1961, 1966 to 1978, 1980 to 1999, and 2003 to 2005.