Major Flood
7.5 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
5 ft
What Floods at Each Level
7.5 ft
Major flooding occurs at the Main Street/Hamburg Turnpike intersection in Butler. Additional commercial properties are affected. Main Street in Bloomingdale, and Van Dam Street and Brandt Lane in Bloomingdale, also experience significant flooding.
6.5 ft
Both Main Streets in Butler and Bloomingdale flood. Several commercial properties are also flooded. The Hamburg Turnpike experiences significant flooding. Flooding expands to the east side of Bloomingdale. Sloan Park is flooded.
5.5 ft
Road closures begin in both Butler and Bloomingdale due to flooding.
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 |
|---|---|---|
| Oct 9, 1903 | 9.4 ft | 6,100 cfs |
| Apr 4, 1984 | 8.9 ft | 4,880 cfs |
| Mar 11, 1936 | 7.75 ft | — |
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
MCPN4
River
Pequannock River
County
Passaic, NJ
Coordinates
41.0183°N, 74.4011°W
Get Flood Alerts for Pequannock 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 Pequannock River at Macopin?
The Pequannock River at Macopin gauge is maintained by USGS (site 01382500) 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 Pequannock River at Macopin?
The NWS-defined flood stage for Pequannock River at Macopin is 5.5 feet. Action stage begins at 5 feet. Moderate flooding starts at 6.5 feet, and major flooding at 7.5 feet.
How do I get alerts when Pequannock River rises?
Download StormCast free on Google Play, go to River Gauges, and add Pequannock River at Macopin 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 Pequannock River at Macopin gauge located?
The gauge is located in Passaic County, New Jersey at coordinates 41.0183°N, 74.4011°W. USGS site number: 01382500. 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