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    ALL DATA ARE AT LOCAL TIME



    USGS 01400500 Raritan River at Manville NJ

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text

    National Weather Service flood stage for this gage is 14.0 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°33'20", long 74°34'58" referenced to North American Datum of 1983, Bridgewater Township, Somerset County, NJ, Hydrologic Unit 02030105, on left bank at downstream side of bridge on North Main Street (Finderne Avenue) at Manville, and 1.4 mi upstream from Millstone River.
    DRAINAGE AREA.--490 mi2.
    PERIOD OF RECORD.--June 1903 to March 1907 (published as "at Finderne"), August 1908 to April 1915 (gage heights only, published in WSP 521), August 1921 to current year. Monthly discharge only for some periods, published in WSP 1302.
    GAGE.--Water-stage recorder. Datum of gage is 20.61 ft above NGVD of 1929. Prior to Aug 15, 1923, non-recording gage on downstream side of highway bridge at same site and datum. From Oct 1, 1952 to Sep 30, 1966, water-stage recorder at station at Bound Brook, above Calco Dam (station 01403000) used as auxiliary gage when stage was above 5.50 ft. On Oct 1, 1966, water-stage recorder at station at Bound Brook, used as auxiliary gage, was moved downstream to present site (station 01403060). Between Jun 9, 1978 and Jun 7, 1979, gage temporarily relocated at site 1.4 mi downstream, just upstream from Millstone River, because of reconstruction of highway bridge. Between Oct 1, 2006 and Sep 30, 2007, gage temporarily relocated at site 0.4 mi downstream, just upstream of an abandoned railroad bridge, because of reconstruction of highway bridge. Reservoir releases from Round Valley and Spruce Run Reservoirs are included in the flow at this gage.
    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 8 Available Parameters for this site
      
    00060 Discharge 2008-03-10  2014-08-20
    00065 Gage height 2014-04-22  2014-08-20
    00010 Temperature, water 2008-04-15  2014-08-20
    00400 pH 2008-04-15  2014-08-20
    00095 Specific cond at 25C 2008-04-15  2014-08-20
    00301 Diss oxygen,%saturtn 2008-04-15  2014-08-20
    00300 Dissolved oxygen 2008-04-15  2014-08-20
    63680 Turbidity, Form Neph 2008-04-15  2014-08-20

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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: 252   08-20-2014  06:15 EDT
    Graph of  Discharge, cubic feet per second

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    Daily discharge, cubic feet per second -- statistics for Aug 20 based on 94 years of record more
    Min
    (1957)
    25th
    percen-
    tile
    Most Recent
    Instantaneous
    Value Aug 20
    Median 75th
    percen-
    tile
    Mean Max
    (1955)
    22 139 252 261 390. 442 7460


    Gage height, feet

    Most recent instantaneous value: 4.25   08-20-2014  06:15 EDT
    Graph of  Gage height, feet

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