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Delaware River at Belvidere, NJ (BVDN4)


Data Type




Inundation Levels
NAVD88 Stage

260.9* 35.1*
259.6* 33.8*
257.7* 31.9*
256.5* 30.7*
Record Crest: 30.21 ft
255.3 29.5
254.7 28.9
254.0 28.2
253.3 27.5
251.9 26.1
251.3 25.5

Major Flooding Begins

250.5 24.7

Moderate Flooding Begins

249.7 23.9
249.1 23.3
248.3 22.5

Minor Flooding Begins

247.6 21.8
246.8 21.0
245.8 20.0
244.5 18.7

Near Flooding Begins

243.5 17.7
242.9 17.1
242.2 16.4
* = Extended rating
Weather Forecast Office Philadelphia/Mount Holly, NJ Middle Atlantic River Forecast Center

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Current Stage:
5.0 ft at 12/19/2014 12:30:00 UTC
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Inundation Legend Inundation Legend
USGS Gauge Location Gauge Location

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.

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Map Overlays

Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 24
Flood Stage: 22
Action Stage: 18.5
Low Stage (in feet): 0

Historic Crests
(1) 30.21 ft on 08/19/1955
(2) 28.60 ft on 10/10/1903
(3) 27.24 ft on 04/04/2005
(4) 27.16 ft on 06/29/2006
(5) 25.00 ft on 03/19/1936
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(P): Preliminary values subject to further review.

Recent Crests
(1) 21.55 ft on 09/09/2011
(2) 19.55 ft on 08/20/2011
(3) 19.65 ft on 03/12/2011
(4) 18.15 ft on 03/11/2011
(5) 27.16 ft on 06/29/2006
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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.

Site-specific information:
These maps represent unobstructed flow conditions and may be unrepresentative when ice jams and/or debris are in place.

Extended rating:
Rating Curve Extension - The Rating Curve Extension is calculated by using either a linear, logarithmic, or hydraulic technique to extend the rating curve above the currently established relationship between stage and flow.

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If you notice any errors in the below information, please contact our Webmaster
30.6 The Belvidere-Riverton Bridge surface floods.
23 Approach roads to the Belvidere-Riverton Bridge in both New Jersey and Pennsylvania begin to flood. On the New Jersey side, Water Street begins to flood and in Pennsylvania, Martins Creek Belvidere Highway takes on water.
20 Backwater from the Delaware River cause problems in the town of Belvidere along the Pequest River.
19 River Road is flooded in Lopatcong Township.
18.5 Hutchinson River Road in Harmony Township takes on water.
14 Low lying areas downstream in Hutchinson and Brainards begin to flood.
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Additional Information Collapse
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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NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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Page last modified: 18-Nov-2014 3:54 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.