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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.
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USGS Water-Year Summary 2024
01144500 CONNECTICUT RIVER AT WEST LEBANON, NH
LOCATION - Lat 43°38'46", long 72°18'46" referenced to North American Datum of 1927, Grafton County, NH, Hydrologic Unit 01080104, on left bank, 50 ft downstream from railroad bridge at West Lebanon, 500 ft downstream from White River, 0.2 mi northwest of US 4 and State Highway 12A intersection in West Lebanon, and at mile 215.0.
DRAINAGE AREA - 4,092 mi².
REVISIONS HISTORY - WSP 741: 1932 (adjusted monthly and yearly figures only). WSP 781: 1928(M). WSP 891: Drainage area. WSP 1301: 1922-26(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: November 1911 to December 1911, March 1912 to December 1913, March 1914 to December 1914, February 1915 to December 1915, April 1916 to December 1916, March 1917 to November 1917, April 1918 to December 1919, April 1920 to January 1921, March 1921 to November 1976, November 1978 to current year. Published as "at White River Junction, VT" prior to November 1978. Peak streamflow: Water years 1912 to 1976, 1979 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 321.11 ft above North American Vertical Datum of 1988. Prior to June 16, 1918, non-recording gage on downstream side of pier of railroad bridge 50 ft upstream at same datum. June 16, 1918 to November 2, 1930, non-recording gage at various locations on upstream and downstream sides of railroad bridge at same datum.
COOPERATION - USGS Federal Priority Streamgage Program
REMARKS - WATER YEARS 2014-18: Records good except those for estimated discharges, which are poor. WATER YEARS 2019-22: Records fair except those for estimated discharges, which are poor. Flow regulated by power plants and by First Connecticut and Second Connecticut Lakes, Lake Francis, Moore and Comerford Reservoirs, Union Village Reservoir, and other reservoirs. These reservoirs have a combined usable capacity of about 17.2 billion ft³.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 136,000 ft³/s, November 4, 1927, gage height, 35.0 ft, present site. Stage and discharge of flood November 4, 1927, are the greatest since at least 1760.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water-quality discrete samples:
Water years 1954, 1961, 1967, 1968, 1970, 1975, 1976, 1979 to 1999.
