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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
01161280 CONNECTICUT RIVER NEAR NORTHFIELD, MA
LOCATION - Lat 42°41'00", long 72°28'19" referenced to North American Datum of 1983, Franklin County, MA, Hydrologic Unit 01080201, 500 ft. north of Rte. 10 bridge over the Connecticut River and at the end of Old Bernardston Road in Northfield.
DRAINAGE AREA - 7,025 mi². , revised.
REVISIONS HISTORY - 2023 Water Year Summary: Drainage Area. Prior to 2023, drainage area was incorrectly reported as 7,025 sq. mi.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge: July 2018 to present year.
GAGE - Water-stage recorder, velocity recorder and crest-stage gage. Datum of gage is 170 ft. above North American Vertical Datum of 1988. Satellite telemetry at station.
REMARKS -
Flow regulated by power plants and by First Connecticut and Second Connecticut Lakes, Lake Francis, Moore and Comerford Reservoirs, and other reservoirs, combined usable capacity about .
- Water Year 2019-2023: Records rated fair except for periods of estimated discharges, which are rated poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 111,000 cfs, July 11, 2023, gage height, 25.06 ft.
WATER-QUALITY RECORDS
EXTREMES FOR PERIOD OF DAILY RECORD - --NITRATE: Maximum, 0.48, Feb. 23, 2022; minimum, 0.05, Sep. 26, 2020.
