USGS Water-Year Summary 2021
01072870 ISINGLASS RIVER AT ROCHESTER NECK ROAD, NEAR DOVER, NH
LOCATION - Lat 43°14'05", long 70°57'25" referenced to North American Datum of 1927, Strafford County, NH, Hydrologic Unit 01060003, 600 feet upstream of bridge on Rochester Neck Road, 0.7 miles upstream from mouth on Cocheco River, 2.5 miles northeast of Calef Highway (NH 125) and Littleworth Road intersection in East Barrington, 4.9 miles south of South Main Street (NH 125), North Main Street (NH 202A), and Wakefield Street (NH 125) intersection in Rochester, and 4.9 miles northwest of Post Office in Dover.
DRAINAGE AREA - 73.6 mi².
PERIOD OF RECORD - Discharge records: December 2002 to September 2006, November 2007 to current year. Partial-record station: October 2006 to September 2007. Peak streamflow: Water years 2003 to current year. Miscellaneous discharge measurements only: Water years 1975, 1978, 1979, 1982, 2007.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 115 ft above National Geodetic Vertical Datum of 1929,
COOPERATION - New Hampshire Department of Environmental Services and USGS Groundwater and Streamflow Information Program
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,160 ft³/s, Apr 17, 2007, gage height, 21.81 ft; minimum discharge, 0.24 ft³/s, Sep 4-6, 2016.
PERIOD OF RECORD - May 26, 2016 to current year.
INSTRUMENTATION - Water-temperature recorder since May 26, 2016 provides continuous recordings.