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Pequannock River at Macopin, NJ (MCPN4)

Data Type




Inundation Levels
NAVD88 Stage

Record Crest: 9.4 ft
557.89.3
557.18.6
556.47.9
556.17.6
Major Flooding Begins

555.97.4
Moderate Flooding Begins

554.86.3
554.56.0
554.15.6
Minor Flooding Begins

553.85.3
Near Flooding Begins

552.94.4
552.03.5
551.73.2
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:
3.5 ft at 04/19/2024 11:40:00 UTC
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Inundation Legend
Depth in feet
USGS Gauge Location Gauge Location
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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: 7.5
Moderate Flood Stage: 6.5
Flood Stage: 5.5
Action Stage: 5
Low Stage (in feet): 0

Historic Crests
(1) 9.40 ft on 10/10/1903
(2) 8.90 ft on 04/05/1984
(3) 7.75 ft on 03/12/1936
(4) 7.70 ft on 05/29/1968
(5) 7.60 ft on 08/19/1955
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.76 ft on 01/10/2024
(2) 6.30 ft on 12/18/2023
(3) 5.87 ft on 04/08/2022
(4) 5.99 ft on 09/02/2021
(5) 5.85 ft on 08/23/2021
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.00 ft on 08/15/1997

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.
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If you notice any errors in the below information, please contact our Webmaster
7.5 Major flooding occurs at the Main Street/Hamburg Turnpike intersection in Butler. Additional commercial properties are affected. Main Street in Bloomingdale, and Van Dam Street and Brandt Lane in Bloomingdale, also experience significant flooding.
6.5 Both Main Streets in Butler and Bloomingdale flood. Several commercial properties are also flooded. The Hamburg Turnpike experiences significant flooding. Flooding expands to the east side of Bloomingdale. Sloan Park is flooded.
5.5 Road closures begin in both Butler and Bloomingdale due to flooding.
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Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
10 Day (HEFS) 10 Day (NAEFS) 10 Day (GEFS)
HEFS Ensemble NAEFS Ensemble GEFS Ensemble

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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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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.