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Water-Year Summary for Site 04286000

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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
04286000 WINOOSKI RIVER AT MONTPELIER, VT
LOCATION - Lat 44°15'24", long 72°35'38" referenced to North American Datum of 1927, Washington County, VT, Hydrologic Unit 04150403, on right bank, 0.4 mi upstream from Dog River, 0.6 mi downstream of Bailey Road bridge, 0.8 mi southwest of the Vermont State Capitol Building in Montpelier, and 1.0 mi downstream of the North Branch Winooski River.
DRAINAGE AREA - 397 mi².
REVISIONS HISTORY - WSP 424: 1915. WSP 894: Drainage area. WSP 1437: 1912-14(M), 1915-18, 1919(M), 1920, 1921(M), 1922-23, 1929, 1933, 1934(M), 1936, 1937(M), 1938, 1946(M), WDR MA-NH-RI-VT-72-1: 1969(M), 1970(P), 1971(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: May 1909 to June 1914 (fragmentary), July 1914 to September 1923, August 1928 to current year.
GAGE - Water-stage recorder. Datum of gage is 499.87 ft above North American Vertical Datum of 1988. Prior to June 16, 1914, nonrecording gage at site 0.9 mi upstream at different datum. June 16 to July 3, 1914, nonrecording gage at present site and datum.
COOPERATION - USGS Federal Priority Streamgage.
REMARKS - WATER YEARS 2014-22: Records good except those for estimated discharges, which are poor. Flow regulated by several small power plants upstream, by Peacham Pond and, since 1926, by Mollys Falls Reservoir, combined usable capacity, 492 million ft³, which regulated runoff from 24 mi², and by East Barre and Wrightsville Detention Reservoirs since 1935 (Reservoirs in Winooski River Basin above Montpelier, VT).
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge since at least 1830, 57,000 ft³/s, November 3, 1927, gage height, 27.1 ft, from rating curve extended above 14,000 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 17,200 ft³/s, Apr 7, 1912; maximum gage height, 19.05 ft, Aug 28, 2011.