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Water-Year Summary for Site 01093852

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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(Min.,Mean,Max.)  
00011 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 42°50'33", long 71°42'26" referenced to North American Datum of 1927, Hillsborough County, NH, Hydrologic Unit 01070002, on right bank, 0.2 mi west of NH 101 (Milford Bypass), North River Road, and Elm Street (NH 101A) intersection, 1.6 mi east of Main Street and Maple Street intersection in Wilton, 1.6 mi upstream from mouth of Purgatory Brook, 1.9 mi downstream from mouth of Stony Brook, and 3.0 mi west of Elm Street(NH 101A), Union Square (NH 13), South Street (NH 13), and Nashua Street (NH 101A) intersection in Milford.
DRAINAGE AREA - 103 mi².
PERIOD OF RECORD - Discharge records: June 1994 to September 1996, May 2008 to current year. Miscellaneous discharge measurements only: Water years 1984, 1988, 1989, and 1991.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 264.32 ft above North American Vertical Datum of 1988.
COOPERATION - New Hampshire Department of Environmental Services and USGS Groundwater and Streamflow Information Program.
REMARKS - Water Years 2014-22: records good except those for estimated discharges, which are poor. Some regulation by mill upstream. High flow slightly affected by retarding reservoirs.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of April 16, 2007, reached a stage of 12.49 ft, from floodmarks, discharge, 6,950 ft³/s, based on contracted-opening measurement upstream of gage.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,530 ft³/s, October 30, 2017, gage height, 11.19 ft.
PERIOD OF RECORD - Water-quality records: June 16, 2016 to current year.
INSTRUMENTATION - Water-temperature recorder since June 16 2016, provides continuous recordings.
REMARKS - WATER YEARS 2016-22: Records Excellent.