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    ALL DATA ARE AT LOCAL TIME



    USGS 01402000 Millstone River at Blackwells Mills NJ

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text

    National Weather Service flood stage for this gage is 9.0 ft.

    Forecasts for this gage are issued by the National Weather Service routinely year-round.
    Forecast information is available here.


    gage photo LOCATION.--Lat 40°28'30", long 74°34'33" referenced to North American Datum of 1983, Hillsborough Township, Somerset County, NJ, Hydrologic Unit 02030105, on left bank 30 ft downstream from highway bridge at Blackwells Mills, and 0.3 mi downstream from Six Mile Run.
    DRAINAGE AREA.--258 mi2.
    PERIOD OF RECORD.--June 1903 to December 1904 (gage heights only), August 1921 to current year. Monthly discharge only for some periods, published in WSP 1302. Published as "at Millstone" 1903-04.
    GAGE.--Water-stage recorder. Concrete control since Nov. 18, 1933. Datum of gage is 26.97 ft above NGVD of 1929. June 27, 1903 to Dec. 31, 1904, nonrecording gage at bridge 2.0 mi downstream at Millstone at different datum. Aug. 4, 1921 to Aug. 16, 1928, nonrecording gage at present site and datum.
    COOPERATION.--Funding for this gage is provided by the New Jersey Water Supply Authority, the New Jersey Department of Environmental Protection, and the U.S. Geological Survey.

    Boating Safety Tips

    This station managed by the New Jersey Water Science Center.

    Available Parameters Available Period
    All 2 Available Parameters for this site
      
    00060 Discharge 2007-10-01  2014-08-30
    00065 Gage height 2007-10-01  2014-08-30

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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: 58   08-30-2014  23:15 EDT
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    Daily discharge, cubic feet per second -- statistics for Aug 31 based on 91 years of record more
    Most Recent
    Instantaneous
    Value Aug 31
    Min
    (1980)
    25th
    percen-
    tile
    Median 75th
    percen-
    tile
    Mean Max
    (2011)
    -- unavailable -- 11 57 90. 160. 166 2040


    Gage height, feet

    Most recent instantaneous value: 1.56   08-30-2014  23:15 EDT
    Graph of  Gage height, feet

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