USGS Water-Year Summary 2022
01072800 COCHECO RIVER NEAR ROCHESTER, NH
LOCATION - Lat 43°16'06", long 70°58'27" referenced to North American Datum of 1927, Strafford County, NH, Hydrologic Unit 01060003, on right bank, directly behind Rochester Country Club, 0.6 mi south by southeast of Gonic, 2.5 mi south of Rochester City Hall, approximately 3.3 mi upstream confluence with Isinglass River and approximately 12.6 mi above mouth.
DRAINAGE AREA - 79.9 mi². From automated delineation using 30-meter National Elevation Dataset digital elevation model data and Watershed Boundary Dataset, accessed May 28, 2013 at http://water.usgs.gov/osw/streamstats/
- WDR NH-VT-97-1, WDR-US-2013: Drainage area.
PERIOD OF RECORD - Discharge records: March 1995 to current year. Published as "at Rochester" prior to October 1996.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 118.77 ft above North American Vertical Datum of 1988.
COOPERATION - City of Rochester, NH.