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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
01075000 PEMIGEWASSET RIVER AT WOODSTOCK, NH
LOCATION - Lat 43°58'34", long 71°40'48" referenced to North American Datum of 1927, Grafton County, NH, Hydrologic Unit 01070001, on right bank 300 ft upstream of southern State Highway 175 bridge, 0.2 mi east of Woodstock, 0.7 mi upstream from Eastman Brook, and 4.8 mi south of Town Hall in Lincoln.
DRAINAGE AREA - 193 mi².
REVISIONS HISTORY - WSP 1701: 1942(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: October 1939 to 1977, October 2001 to current year. Partial-record station: October 1977 to September 2001. Peak streamflow: Water years 1940 to 1980, 1985 to current year. Miscellaneous discharge measurements: Water years 1978 to 2001. Water-quality records: Water years 1970-73.
GAGE - Water-stage recorder. Datum of gage is 616.10 ft above North American Vertical Datum of 1988.
COOPERATION - USGS Federal Priority Streamgage Program and the U.S. Army Corps of Engineers, New England District.
REMARKS - WATER YEARS 2014-15: Records good except estimated daily discharges, which are poor. WATER YEAR 2016: Records good except estimated discharges, which are fair. WATER YEARS 2017-22: Records good except those for estimated discharges, which are poor. Prior to 1978, some diurnal fluctuation caused by power plants upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 53,700 ft³/s, August 28, 2011, from rating curve extended above 14,000 ft³/s on basis of contracted-opening measurement of peak flow at 16.13 ft, gage height, 16.97 ft, from peak stage indicator.
