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  • USGS 01197000 EAST BRANCH HOUSATONIC RIVER AT COLTSVILLE, MA

    PROVISIONAL DATA SUBJECT TO REVISION

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    LOCATION--Lat 42°28'10.5", long 73°11'50.4", Berkshire County, Hydrologic Unit 01100005, on right bank 250 ft downstream from Hubbard Avenue Bridge at Coltsville, 1.2 mi upstream from Unkamet Brook, and 2 mi northeast of Pittsfield.  Prior to Nov. 8, 1994, at site 200 ft upstream.
    DRAINAGE AREA--57.6 mi2.
    PERIOD OF RECORD--Discharge: March 1936 to current year. Prior to October 1945, published as Housatonic River at Coltsville.
    Water-quality records: Water years 1963–65.
    GAGE--Data Collection Platform with satellite telemeter. Datum of gage is 993.49 ft above National Geodetic Vertical Datum of 1929. Prior to Nov. 8, 1994, at site 200 ft upstream at same datum.
    REMARKS--Flow regulated by powerplants upstream and, since 1949, by Cleveland Brook Reservoir, usable capacity, 214,000,000 ft3, 5.4 mi upstream; regulation greater prior to 1955. Diversion upstream from Cleveland Brook Reservoir for municipal supply of Pittsfield since May 1950. Satellite and telephone gage-height telemeter at station.
    COOPERATION BY--Massachusetts Department of Conservation and Recreation, Office of Water Resources.

    ICE EFFECTS ON STREAMFLOW During winter, ice formation in streams can cause stage and corresponding discharge values to appear higher than expected during periods of no precipitation. Ice effects from partial ice cover or shore ice may be minor, where stage and discharge appear to increase at night and decrease to base-line conditions around midday for one or more days. Major ice effects from complete ice cover appear as constantly increasing stage and discharge over several days during prolonged cold periods. Stage and discharge values for streams experiencing minor ice effects will continue to be displayed on the web to enable the user to estimate the approximate base-line discharges. Note that this method of estimation should only be used when no runoff occurs. During periods of major ice effects, display of discharge data on the web will be temporarily discontinued to prevent misuse of erroneous discharge data. The discharge record will resume when it is determined that ice conditions are no longer present. Display of stage data during periods of minor and major ice effects will continue to be displayed on the web. Daily mean discharges will be estimated for all periods of ice-effected discharges.

    Boating safety tips
    This station managed by the Northborough, MA Field Office.

    Available Parameters Available Period
    All 2 Available Parameters for this site
      
    00060 Discharge 2007-10-01  2014-08-29
    00065 Gage height 2007-10-01  2014-08-29

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    Summary of all available data for this site
    Instantaneous-data availability statement


    Discharge, cubic feet per second

    Most recent instantaneous value: 39   08-29-2014  07:30 EDT
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    Daily discharge, cubic feet per second -- statistics for Aug 29 based on 78 years of record more
    Min
    (1980)
    25th
    percen-
    tile
    Median Most Recent
    Instantaneous
    Value Aug 29
    75th
    percen-
    tile
    Mean Max
    (2011)
    12 20 26 39 46 66 1760


    Gage height, feet

    Most recent instantaneous value: 0.81   08-29-2014  07:30 EDT
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