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Water-Year Summary for Site 01129200

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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.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

Water year 2022: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2022
LOCATION - Lat 45°02'25", long 71°26'40" referenced to North American Datum of 1927, Coos County, NH, Hydrologic Unit 01080101, on right bank, 1,200 ft. downstream from Indian Stream, 2.7 miles west of US Highway 3 and State Highway 145 intersection in Pittsburg, 3.9 miles northeast of Post Office in Beecher Falls, and at mile 376.5.
DRAINAGE AREA - 254 mi².
REVISIONS HISTORY - WDR MA-NH-RI-VT-73-1: 1958, 1960(M), 1969(M).
PERIOD OF RECORD - October 1956 to current year.
GAGE - Water-stage recorder. Datum of gage is 1150.96 ft above North American Vertical Datum of 1988.
COOPERATION - Central Rivers Power and the State of New Hampshire.
REMARKS - WATER YEAR 2014-22: Records good except those for estimated discharges, which are fair. Flow regulated by First Connecticut and Second Connecticut Lakes and Lake Francis 3.7 mi upstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,550 ft³/s, April 27, 2011, gage height, 8.85 ft.
PERIOD OF RECORD - June 1999 to September 30, 2005, October 1, 2007 to current year.
INSTRUMENTATION - Water-temperature recorder since June 16, 1999, provides continuous recordings.
REMARKS - Records good.