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  • March 16, 2018 - There has been a recent change to the "Subscribe for system changes" function and it is unavailable.

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The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.



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LOCATION--Lat 42° 34'48.8", long 72° 34'28.2",(revised) Franklin County, Hydrologic Unit 01080201, on left bank 75 ft downstream from railroad bridge at Montague City, 1,000 ft downstream from Deerfield River, and at mile 119.0.
DRAINAGE AREA--7,860 mi2.
PERIOD OF RECORD--Discharge: March 1904 to current year. Prior to October 1929, published as "at Sunderland." Records published for both sites October 1929 to September 1932.
Water-quality records: Water years 1994–95.
REVISED RECORDS--WSP 471: 1904–17. WSP 741: 1930–32. WSP 781: 1928(M). WSP 1051: 1905, 1909–10, 1912–14, 1920, 1922–23, 1925–26, 1928, drainage area at Sunderland. WSP 1301: 1905(M), 1914–19(M), 1930–31(M). WDR MA-RI-84-1: drainage area.
GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 98.80 ft above North American Vertical Datum of 1988. Prior to Oct. 1, 1917, nonrecording gage; Oct. 1, 1917, to Oct. 8, 1921, water-stage recorder used for low stages, nonrecording gage otherwise; and Oct. 9, 1921, to Sept. 30, 1932, water-stage recorder; all at site 9 mi downstream at datum 1.00 ft lower. Since Oct. 1, 1929, water-stage recorder at present site and datum.
REMARKS--Flow regulated by powerplants and by First Connecticut and Second Connecticut Lakes, Lake Francis, Moore and Comerford Reservoirs, and other reservoirs, combined usable capacity, about 43,400,000,000 cubic feet.

This gage is monitored in cooperation with the Massachusetts Department of Conservation and Recreation, Division of Water Supply Protection, Office of Watershed Management, with funding from the Massachusetts Water Resources Authority .

Link to Department of Conservation and Recreation

Link to Massachusetts Water Resources Authority

Photo of Connectucut River looking Upstream. Link to the DCR.

Photo of Connecticut River looking Downstream. Link to the DCR.

This station managed by the Northborough MA Field Office.

Available Parameters Available Period
All 2 Available Parameters for this site
00060 Discharge 1990-10-01  2018-03-18
00065 Gage height 2007-10-01  2018-03-18

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Discharge, cubic feet per second

Most recent instantaneous value: 13500 03-18-2018   22:30 EDT
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Daily discharge, cubic feet per second -- statistics for Mar 18 based on 112 years of record more
Most Recent
Value Mar 18
Median Mean 75th
2600 9690 13500 14500 21600 28600 158000

Gage height, feet

Most recent instantaneous value: 11.69 03-18-2018   22:30 EDT
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