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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.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
04296000 BLACK RIVER AT COVENTRY, VT
LOCATION - Lat 44°52'08", long 72°16'14" referenced to North American Datum of 1927, Orleans County, VT, Hydrologic Unit 04150500, on right bank, 15 ft. downstream from Loop Road bridge, 800 ft. upstream from Stony Brook, 0.3 miles northwest of Loop Road and Main Street intersection in Coventry, and 4.6 miles north of State Highways 14 and 58 intersection in Irasburg.
DRAINAGE AREA - 122 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: October 1951 to current year.
GAGE - Water-stage recorder. Datum of gage is 709.74 ft above North American Vertical Datum of 1988.
COOPERATION - USGS Federal Priority Streamgage Program.
REMARKS -
WATER YEARS 2014-18: Records good except those for estimated daily discharges, which are poor. Occasional diurnal fluctuation at low flow by mill upstream prior to 1960.
WATER YEAR 2019: Records fair except those for estimated discharges, which are poor. Occasional diurnal fluctuation at low flow by mill upstream prior to 1960.
WATER YEARS 2020-2023: Records good except those for estimated discharges, which are poor. Occasional diurnal fluctuation at low flow by mill upstream prior to 1960.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6150 ft³/s, July 11 2023, gage height 9.09 ft. Minimum discharge, 11 ft³/s, August 29 to September 1, 1953.
WATER-QUALITY RECORDS
PERIOD OF RECORD - September 13, 2022 to current year.
PERIOD OF DAILY RECORD - Water years 1978 to 1981.
SPECIFIC CONDUCTANCE: November 1977 to March 1979, May and June 1979, and December 1980 to July 1981.
WATER TEMPERATURE: November and December 1977, June to August 1978, May and June 1979, October 1979 to March 1980, May to
September 1980, December 1980 to July 1981, and September 2022 to current year.
INSTRUMENTATION - Water-temperature recorder since September 13, 2022 provides continuous recordings.
REMARKS - Records Good: Water Year 2023.
