USGS Water-Year Summary 2024
010642505 SACO RIVER AT RIVER STREET, AT BARTLETT, NH
LOCATION - Lat 44°05'02", long 71°17'08" referenced to North American Datum of 1983, Carroll County, NH, Hydrologic Unit 01060002, on left bank, at River Street, 150 ft southeast of River Street, Cobb Road, and Yates Road intersection, 210 ft downstream from Razor Brook, 0.4 mi northwest of River Street, Albany Road, and US Route 302 (US 302) intersection in Bartlett, and 0.5 miles northeast of Pine Street and US 302 intersection.
DRAINAGE AREA - 91 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 2009 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 660.49 ft above North American Vertical Datum of 1988.
COOPERATION - New Hampshire Department of Environmental Services and USGS Groundwater and Streamflow Information Program.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 29,100 ft³/s, August 28, 2011, from rating curve extended above 4,600 ft³/s on basis of slope-area measurement at gage height 14.83 ft and contracted-opening measurement at gage height 9.10 ft; maximum gage height, 14.83 ft, August 28, 2011, from floodmarks; minimum discharge, 19.5 ft³/s, October 8-14, 2016.
WATER-QUALITY RECORDS
PERIOD OF RECORD - September 2009 to current year.
INSTRUMENTATION - Water-temperature recorder since September 18, 2009 provides continuous recordings.