Major Flood
8 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
6.5 ft
Minor Flood
5.5 ft
Action Stage
4.5 ft
What Floods at Each Level
12 ft
Record flooding. Flooding along Westwood avenue near Clauss lane. Water into basements. Street closed.
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 |
|---|---|---|
| Aug 27, 2011 | 12.26 ft | 4,660 cfs |
| Apr 15, 2007 | 12.19 ft | 4,650 cfs |
| Mar 13, 2010 | 8.12 ft | 2,550 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
USGS Site
NWS LID
RIVN4
River
Hackensack River
County
Bergen, NJ
Coordinates
40.9992°N, 73.9897°W
Get Flood Alerts for Hackensack 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 Hackensack River at Rivervale?
The Hackensack River at Rivervale gauge is maintained by USGS (site 01377000) 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 Hackensack River at Rivervale?
The NWS-defined flood stage for Hackensack River at Rivervale is 5.5 feet. Action stage begins at 4.5 feet. Moderate flooding starts at 6.5 feet, and major flooding at 8 feet.
How do I get alerts when Hackensack River rises?
Download StormCast free on Google Play, go to River Gauges, and add Hackensack River at Rivervale 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 Hackensack River at Rivervale gauge located?
The gauge is located in Bergen County, New Jersey at coordinates 40.9992°N, 73.9897°W. USGS site number: 01377000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Hackensack River
On This River
Downstream: Hackensack River at New Milford
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey