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USGS Water-Year Summary 2024
04293500 MISSISQUOI RIVER NEAR EAST BERKSHIRE, VT
LOCATION - Lat 44°57'36", long 72°41'49" referenced to North American Datum of 1927, Franklin County, VT, Hydrologic Unit 04150407, on left bank, 0.4 mi upstream of State Highway 105 bridge, 1.9 mi north of intersection of State Highways 105 and 118 in East Berkshire, 1.9 mi upstream from Trout River, 2.6 mi southwest of Town Hall in Richford, and 3.6 mi downstream from North Branch.
DRAINAGE AREA - 479 mi².
REVISIONS HISTORY - WSP 784: Drainage area. WSP 1237: 1913-14(M), 1922(M), 1923, 1929-30. WSP 1307: 1916(M). WSP 1437: 1912. The maximum discharge for water year 1988 was revised on March 15, 2018 to 13,400 ft³/s, March 26, 1988, gage height 13.63 ft.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: July 1911 to September 1923, October 1928 to current year. Monthly discharge only for July 1911 to July 1915, September 1916, March 1920 to July 1920, March 1921 to July 1921, published in WSP 1307. Prior to October 1977, published as "near Richford."
GAGE - Water-stage recorder. Datum of gage is 402.51 ft above North American Vertical Datum of 1988 (revised). Prior to August 1, 1915, nonrecording gage at site 0.2 mi downstream at datum 4.35 ft lower. August 1, 1915 to September 30, 1923, water-stage recorder at present site and datum. October 1, 1928 to September 30, 1929, nonrecording gage at former site at datum 4.6 ft lower.
COOPERATION - USGS Federal Priority Streamgage.
REMARKS - WATER YEARS 2014-23: Records good except those for estimated discharges, which are poor. Diurnal fluctuation at low flow prior to 1934.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge since at least 1830, 45,000 ft³/s during flood of November 1927, gage height, 23.1 ft, from floodmarks, from rating curve extended above 21,000 ft³/s on basis of computation of peak flow over dam at gage height 14.70 ft, slope-area measurement at gage height 12.90 ft, and study of discharge per foot of width at measuring section.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 21,200 ft³/s, April 18, 1982, gage height, 17.45 ft; maximum gage height, 18.92 ft, March 15, 1946, ice jam. Minimum discharge, 8.0 ft³/s, July 14, 1911.
