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Passaic River at Singac, NJ (SIGN4)

Data Type




Inundation Levels
NAVD88 Stage

178.323.3
176.221.2
175.320.3
174.019.0
172.917.9
172.217.2
171.516.5
170.315.3
169.314.3
168.513.5
167.812.8
167.112.1
Major Flooding Begins

Record Crest: 11.45 ft
166.011.0
165.210.2
Moderate Flooding Begins

164.69.6
Minor Flooding Begins

163.48.4
Near Flooding Begins


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:
5.5 ft at 09/26/2023 08:45:00 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: 12
Moderate Flood Stage: 10
Flood Stage: 8.5
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 11.45 ft on 09/03/2021
(2) 9.65 ft on 05/03/2014
(3) 9.38 ft on 12/23/2018
(4) 9.27 ft on 04/10/2022
(5) 9.11 ft on 11/28/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.27 ft on 04/10/2022
(2) 11.45 ft on 09/03/2021
(3) 8.89 ft on 08/24/2021
(4) 8.14 ft on 05/15/2019
(5) 8.32 ft on 01/26/2019
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.
Flood Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
19 Route 80 floods and is subject to closures.
17.5 On and off ramps to Route 80 in Wayne flood.
16.5 Wayne Towne Center and Willowbrook Mall buildings are inundated.
13.5 Widespread flooding occurs in the Singac section of Little falls extending from the Passaic River to Main Street. Widespread roadway and parking lot flooding occurs across the Wayne Towne Center and Willowbrook Mall. Route 46 floods and is subject to closures. Flooding extends across Fairfield.
13 Flooding increases and spreads across Lincoln Park between the Meadows Golf Club and the Pompton River. Flooding spreads across Fairfield in the vicinity of Big Piece Road. Horseneck Road in Fairfield becomes impassable.
12 Willowbrook Boulevard begins to flood. The Route 46 ramp to access the Willowbrook Mall can flood as the Naachtpunkt Brook backs up.
11 Little Falls Road in Fairfield floods. Flooding increases across the Singac section of Little Falls.
10 Two Bridges Road in Fairfield begins to flood. Finns Drive, Siesta Drive, and Market street in Wayne are all susceptible to flooding. William Street, Louis Street, and Zeliff Avenue in Little Falls can begin to flood. Portions of Lincoln Park become impassable. The Meadows Golf Club in Lincoln Park floods.
9.5 Camp Lane and Marginal Road in Fairfield begins to flood.
9 Two Bridges Road in Fairfield is subject to closures.
8.5 Portions of the Wayne Town Center parking lot begin to flood. Hobson Avenue and Riverlawn Drive in Wayne begin to flood. Fairfield Road, Fayette Avenue, and Riversedge Road in Wayne can flood as water backs up the Pompton River. Lincoln Boulevard in Lincoln Park can also flood due to backwater up the Pompton river. The Pequannock River Park also floods.
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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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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
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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.