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Water-Year Summary for Site 01170100

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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.
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  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  
00011 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  

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

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USGS Water-Year Summary 2021
01170100 GREEN RIVER NEAR COLRAIN, MA
LOCATION - Lat 42°42'12", long 72°40'16" referenced to North American Datum of 1927, Franklin County, MA, Hydrologic Unit 01080203, on right bank 0.5 mi upstream from bridge on West Leyden Road and 2.5 mi northeast of Colrain.
DRAINAGE AREA - 41.4 mi².
REVISIONS HISTORY - WDR MA-NH-RI-VT-71-1: 1968(M), 1969; 1998-2004, MA-RI-05-1(M),MA-RI-11-1(M). Annual peak discharge for listed water year is revised as follows: 2011, 13,200 ft³/s, Aug. 28, 2011.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records: October 1967 to current year. Water-quality records: Water years 1968-69, 1993-95, 2002-05; intermittent water-quality samples, water years 1968-69, 1993-95, 2002-05; continuous water-quality records, water years 2002 and 2003.
GAGE - Water-stage recorder with satellite telemeter and crest-stage gage. Elevation of gage is 432.26 ft above North American Vertical Datum of 1988.
COOPERATION - Massachusetts Department of Conservation and Recreation, Office of Water Resources.
REMARKS -
  • WY2016: Records good, except for periods of ice effect, Jan. 5-9 and Jan. 12 to Feb. 17, which are poor.
  • WY2015: Records good, except for periods of ice effect, Dec. 30, 2014 to Apr. 4, 2015, and periods of no gage-height record, Dec. 7, 9-10, 18, 23-26, 2014, Jan. 5, 25, Mar. 9-11, 19, 21, 27-28, Apr. 3, 15, 2015, which are poor.
  • WY2014: Records fair, except those for estimated daily discharges, and those for discharges greater than 2,000 ft³/s, which are poor.
  •  

    Maximum peak flow, 13,200 ft³/s, Aug. 28, 2011, from rating curve extended above 1,500 ft³/s on basis of slope-area and contracted-opening indirect measurements of peak flow. Maximum peak stage, 13.97 ft, from high-water mark.


    WATER-QUALITY RECORDS
    DATUM - Land-surface datum is 432.26 ft above North American Vertical Datum of 1988. Measuring point: MEASURINGPOINT.
    REMARKS - Gaps in the record indicate missing data.
  • Water Year 2016: Records fair.
  • EXTREMES FOR PERIOD OF DAILY RECORD -
    DECEMBER 2001 TO OCTOBER 2002: SPECIFIC CONDUCTANCE: Maximum recorded, 129 mS/cm, Oct. 10, 2002; minimum, 46 mS/cm, Sept. 17, 2002. WATER TEMPERATURE: Maximum recorded, 27.9°C, Aug. 16, 2002; minimum, 0.0°C, many days during winter period. OCTOBER 1, 2015 TO CURRENT YEAR: WATER TEMPERATURE: Maximum, 26.9°C, Aug. 13, 2016; minimum, 0.0°C, on many days during winter period.