Ramapo River near Mahwah NJ
Is Ramapo River near Mahwah NJ flooding right now?
Ramapo River near Mahwah NJ measured 2.71 ft on 2026-09-11 01:30:00 UTC. That observation was 5.3 ft below its 8 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
2.71 ft
Streamflow
77 cfs
Minor flooding here begins at 8 ft, with major flooding at 12 ft. The highest crest on record was 15.78 ft on Sun, Aug 28, 2011.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 7.5 ft | 4.8 ft below |
| Minor flood | 8 ft | 5.3 ft below |
| Moderate flood | 9 ft | 6.3 ft below |
| Major flood | 12 ft | 9.3 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 15.78 ft | 2011-08-28 |
| 12.53 ft | 1955-10-16 |
| 12.52 ft | 1999-09-16 |
| 11.87 ft | 1968-05-29 |
| 11.35 ft | 1955-08-19 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Ramapo River at Suffern NY | 1.4 mi | Rockland County |
| Ramapo River at Ramapo NY | 2.9 mi | Rockland County |
| Mahwah River near Suffern NY | 3.8 mi | Rockland County |
| Saddle River at Upper Saddle River NJ | 4.4 mi | Bergen County |
| Ringwood Creek near Wanaque NJ | 5.7 mi | Passaic County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.