USGS Water-Year Summary 2021
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.
- WSP 1701: 1942(M).
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.
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.