Major Flood
9 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
8 ft
Minor Flood
6 ft
Action Stage
5 ft
What Floods at Each Level
11 ft
Flooding expands in Pompton Lakes. Flooding increases between Hershfield Park Place. Riverdale Road floods. First floor residential flooding occurs.
10 ft
Flooding expands in Pompton Lakes. Roads between Hershfield Park Place and Riverdale Road flood. Residences are flooded, mainly basements.
9 ft
Back Beach Park in Wanaque is completely submerged. 4th Avenue is Wanaque takes on water. Flooding in Pompton Lakes expands between Wanaque Avenue and the Paterson Hamburg Turnpike. Industry and residential homes are flooded.
8 ft
The athletic fields at Back Beach Park in Wanaque flood. Flooding expands across the light industrial area off of Lakeside Avenue in Pompton Lakes. Flooding also expands across VFW Way in Pompton Lakes. Backyard flooding worsens on Henderson Court and Hill Court in Pompton Lakes. Basement flooding is possible.
7 ft
Back Beach Park in Wanaque begins to flood. The light industrial area off of Lakeside Avenue in Pompton Lakes floods. VFW Way in Pompton Lakes begins to flood. Backyards flood on Henderson Court and Hill Court in Pompton Lakes.
6 ft
John E. Murrin Park begins to flood. Hershfield Park floods. The athletic fields begin to take on water. Parking lots and Hershfield Park Place floods. Carlough Field floods.
5 ft
Open adjacent land begins to flood. Waters rise around Wilderness Island Park.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Apr 4, 1984 | 10.82 ft | 10,500 cfs |
| Mar 30, 1951 | 9.12 ft | 8,470 cfs |
| May 28, 1968 | 8.42 ft | 5,920 cfs |
Flood Inundation Map
NOAA has mapped what areas flood at different water levels for this gauge. View the interactive flood inundation map →
About This Gauge
Get Flood Alerts for Wanaque River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Wanaque River at Wanaque?
The Wanaque River at Wanaque gauge is maintained by USGS (site 01387000) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Wanaque River at Wanaque?
The NWS-defined flood stage for Wanaque River at Wanaque is 6 feet. Action stage begins at 5 feet. Moderate flooding starts at 8 feet, and major flooding at 9 feet.
How do I get alerts when Wanaque River rises?
Download StormCast free on Google Play, go to River Gauges, and add Wanaque River at Wanaque to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Wanaque River at Wanaque gauge located?
The gauge is located in Passaic County, New Jersey at coordinates 41.0442°N, 74.2931°W. USGS site number: 01387000. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge reading affected by reservoir operations.