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ICE EFFECTS ON STREAMFLOW During winter, ice formation may cause stage and discharge values to appear higher than expected. Ice effects may be minor (occurring only at night and early morning) with baseline flows obvious, or the effects may be major (stage constantly increases over several days or weeks) resulting in greatly erroneous discharge. Streamgages experiencing minor ice conditions will continue to display stage and discharge values to enable users to estimate the approximate base-line stage and discharge. Streamgages experiencing major ice conditions will have the discharge record temporarily disabled to prevent use of erroneous discharge values. The discharge record will resume when it is determined that ice conditions are no longer present. Daily mean discharges during periods of ice effect will be estimated after detailed data analysis.



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LOCATION--Lat 42°41’03", long 72°05’02", Worcester County, Hydrologic Unit 01080202, on right bank 10 ft downstream from Nolan Bridge, 0.3 mi downstream from Tarbell Brook, 2 mi west of Winchendon, and at mile 32.8.
DRAINAGE AREA--81.8 mi2.
PERIOD OF RECORD--Discharge: June 1916 to current year. March to May 1917, monthly discharge only, published in WSP 1301.
Water-quality records: Water years 1957, 1965–66, 1994–95.
GAGE--Data Collection Platform with satellite telemeter. Concrete control since Oct. 6, 1933. Datum of gage is 826.66 ft above National Geodetic Vertical Datum of 1929. Prior to July 27, 1916, nonrecording gage at bridge at same datum.
REMARKS--Flow regulated by powerplant and by Lake Monomonac and other reservoirs upstream, by waste-water treatment plant 500 ft upstream, and infrequent backwater from U.S. Army Corps of Engineers Flood-Control Project at Birch Hill Dam.
COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.

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Available Parameters Available Period
All 2 Available Parameters for this site
00060 Discharge 1987-10-01  2017-04-26
00065 Gage height 2007-10-01  2017-04-26

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Discharge, cubic feet per second

Most recent instantaneous value: 134 04-26-2017   11:00 EDT
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Daily discharge, cubic feet per second -- statistics for Apr 26 based on 100 years of record more
Most Recent
Value Apr 26
Median Mean 75th
48.0 134 150 252 289 385 825

Gage height, feet

Most recent instantaneous value: 4.76 04-26-2017   11:00 EDT
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