Hackensack River at New Milford
New Jersey — Water Level & Flood Stage
Located in Bergen County, New Jersey on the Hackensack River. Live water level data from USGS gauge 01378500, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
10 ft
Moderate Flood
8 ft
Minor Flood
6 ft
Action Stage
5.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
10 ft
Home evacuations due to water into homes along Columbia Street, Harvard Street, Pine Avenue and Lenox Avenue. River Edge Road to River Road closed due to flooding. New Milford Avenue closed due to flooding.
8 ft
Water into homes along Columbia Street, Harvard Street, Pine Avenue and Lenox Avenue. Flooding along River Edge Road to River Road. Flooding along New Milford Avenue.
6 ft
Minor flooding along Columbia Street, Harvard Street, Pine Avenue and Lenox Avenue. Water up to River Edge Road to River Road and New Milford Avenue.
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 15, 2007 | 12.36 ft | 11,600 cfs |
| Apr 15, 2007 | 12.36 ft | 11,600 cfs |
| Sep 15, 1999 | 11.45 ft | — |
| Sep 15, 1999 | 11.45 ft | — |
| May 16, 1989 | 8.23 ft | 4,630 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
NMLN4
River
Hackensack River
County
Bergen, NJ
Coordinates
40.9483°N, 74.0267°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 New Milford?
The Hackensack River at New Milford gauge is maintained by USGS (site 01378500) 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 New Milford?
The NWS-defined flood stage for Hackensack River at New Milford is 6 feet. Action stage begins at 5.5 feet. Moderate flooding starts at 8 feet, and major flooding at 10 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 New Milford to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Hackensack River at New Milford gauge located?
The gauge is located in Bergen County, New Jersey at coordinates 40.9483°N, 74.0267°W. USGS site number: 01378500. 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