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    1. <mark id="8i82i"><u id="8i82i"><span id="8i82i"></span></u></mark>


      Millstone River at Blackwells Mills, NJ (BKWN4)


      Data Type




      Inundation Levels
      NAVD88 Stage

      48.222.2
      Record Crest: 21.24 ft
      47.221.2
      47.021.0
      46.020.0
      45.019.0
      44.018.0
      43.017.0
      42.016.0

      Major Flooding Begins

      41.015.0
      40.014.0
      39.013.0
      38.012.0
      37.011.0

      Moderate Flooding Begins

      36.010.0

      Minor Flooding Begins

      35.09.0
      34.08.0

      Near Flooding Begins

      33.07.0
      32.56.5

      Below Flooding Begins

      * = Extended rating
      Weather Forecast Office Philadelphia/Mount Holly, NJ Middle Atlantic River Forecast Center
      Hydrograph River at a Glance Download Inundation
      Mapping
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      Click on mapped inundation to see water depth values for that location, or hold shift and drag to zoom to area.

      Current Stage:
      3.8 ft at 12/12/2019 18:15:00 UTC
      Selected Inundation
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      North Arrow

      Inundation Legend
      Depth in feet
      USGS Gauge Location Gauge Location
      What is UTC time? Map Help

      Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

      Gauge Information Collapse

      Map Overlays

      Flood Categories (in feet)
      Major Flood Stage: 15
      Moderate Flood Stage: 10
      Flood Stage: 9
      Action Stage: 7
      Low Stage (in feet): 0

      Historic Crests
      (1) 21.24 ft on 08/28/2011
      (2) 21.01 ft on 09/17/1999
      (3) 19.24 ft on 04/16/2007
      (4) 18.68 ft on 08/28/1971
      (5) 16.84 ft on 07/15/1975
      Show More Historic Crests

      (P): Preliminary values subject to further review.

      Recent Crests
      (1) 9.02 ft on 11/28/2018
      (2) 12.02 ft on 11/26/2018
      (3) 12.58 ft on 05/28/2018
      (4) 9.68 ft on 01/19/2015
      (5) 15.87 ft on 05/01/2014
      Show More Recent Crests

      (P): Preliminary values subject to further review.

      Low Water Records
      (1) 1.15 ft on 09/16/1923

      Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.

      Flood Impacts Collapse
      If you notice any errors in the below information, please contact our Webmaster
      13 Washington Street and several businesses are flooded.
      10 The D&R Canal is flooded by the Millstone River.
      9 Flood stage reached with flooding now along River Road in Blackwells Mills and S. River Street in Millstone. Base of Route 533 bridge floods. River Road between Yorktown and Amsterdam is subject to closure. Canal Road near Suydam Road floods.
      7 Several more causways are closed due to flooding.
      6 The Griggstown Causway is closed due to flooding.
      Other Data Sources Collapse
      Additional Information Collapse
      Potential River Levels - Used to
      Potential River Levels
      Used to Estimate the Chance of Flooding and the Range of Possible River Levels
      3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
      SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

      Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

      See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

      Click individual graphics to enlarge.

      秋霞手机在线新版入口 During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
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      Page last modified: 6-Nov-2019 2:45 PM
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      Graphical representation of flood inundation for NWS flood categories are based on steady state hydraulic modeling of water surface elevations for incremented discharges. Map shows approximate inundation areas for given water surface elevations and should not be used for navigation or permitting or other legal purposes, but strictly as a planning reference tool.