Major Flood
9.8 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
9 ft
Minor Flood
8 ft
Action Stage
7 ft
What Floods at Each Level
12 ft
The Somerset County Environmental Education Center in Benards Township is surrounded by water.
11 ft
Whitebridge Road in Millington begins to flood.
9.8 ft
Significant residential and commercial flooding in Long Hill Township.
9 ft
Flooding along Lord Sterling Road in Millington increases. Old Forge Road in Millington begins to flood. Residential evacuations possible in Long Hill Township.
8.5 ft
Commercial properties along Valley Road in Long Hill Township begin to flood.
8 ft
Bungalow Terrace in Millington begins to flood. Lord Sterling Road in Millington begins to flood. Parking lots along Valley Road in Long Hill Township begin to flood.
7.5 ft
Flooding along Morristown Road in the Gillette section on Long Hill Township. Flooding along Warren Avenue in the Stirling Section of Long Hill Township. Both due to backwater.
7 ft
Backyards floods along Madison Street in Long Hill Township due to backwater.
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 29, 2011 | 10.26 ft | 2,180 cfs |
| Oct 19, 1996 | 9.89 ft | 2,290 cfs |
| Aug 28, 1971 | 9.73 ft | 2,170 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
MILN4
River
Passaic River
County
Somerset, NJ
Coordinates
40.6800°N, 74.5289°W
Get Flood Alerts for Passaic 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 Passaic River near Millington?
The Passaic River near Millington gauge is maintained by USGS (site 01379000) 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 Passaic River near Millington?
The NWS-defined flood stage for Passaic River near Millington is 8 feet. Action stage begins at 7 feet. Moderate flooding starts at 9 feet, and major flooding at 9.8 feet.
How do I get alerts when Passaic River rises?
Download StormCast free on Google Play, go to River Gauges, and add Passaic River near Millington 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 Passaic River near Millington gauge located?
The gauge is located in Somerset County, New Jersey at coordinates 40.6800°N, 74.5289°W. USGS site number: 01379000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Passaic River
On This River
Downstream: Passaic River at Chatham
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey