Ramapo River at Pompton Lakes
New Jersey — Water Level & Flood Stage
Located in Passaic County, New Jersey on the Ramapo River. Live water level data from USGS gauge 01388000, 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
14.5 ft
6,700 cfs
Moderate Flood
13.5 ft
4,360 cfs
Minor Flood
11.5 ft
2,640 cfs
Action Stage
10 ft
1,320 cfs
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
14.5 ft
Major flooding with evacuations. Flooding worsened by the confluence of the Pompton River.
13.5 ft
Hamburg Turnpike is closed between Route 202 and Riverview Road. Many residences are flooded south of Dawes Highway.
12.5 ft
Several residences in Pompton Lakes, along Riveredge Drive, take on water.
11.5 ft
South section of Pompton Lakes experiences flooding.
10 ft
Nuisance, low lying flooding, occurs near the dam in the Pompton Lakes.
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 28, 2011 | 22.62 ft | — |
| Aug 28, 2011 | 22.62 ft | — |
| Apr 4, 1984 | 21.6 ft | 15,400 cfs |
| Apr 4, 1984 | 21.6 ft | 15,400 cfs |
| Mar 14, 2010 | 18.05 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
Get Flood Alerts for Ramapo 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 Ramapo River at Pompton Lakes?
The Ramapo River at Pompton Lakes gauge is maintained by USGS (site 01388000) 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 Ramapo River at Pompton Lakes?
The NWS-defined flood stage for Ramapo River at Pompton Lakes is 11.5 feet. Action stage begins at 10 feet. Moderate flooding starts at 13.5 feet, and major flooding at 14.5 feet.
How do I get alerts when Ramapo River rises?
Download StormCast free on Google Play, go to River Gauges, and add Ramapo River at Pompton Lakes 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 Ramapo River at Pompton Lakes gauge located?
The gauge is located in Passaic County, New Jersey at coordinates 40.9919°N, 74.2800°W. USGS site number: 01388000. 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.