Ramapo River at Mahwah, NJ
River level and flood forecast · Bergen County
The river is 3.7 ft below flood stage (8 ft).
Forecast to fall to 3.0 ft by Thu, Oct 15, 2 PM.
Flow: 297 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 3:02 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Ramapo River at Mahwah to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 12 ft |
| Moderate flood stage | 9 ft |
| Flood stage | 8 ft |
| Action stage | 7.5 ft |
| Record crest (August 28, 2011) | 15.78 ft |
What floods at each level
From the National Weather Service, highest first.
- 12 ftMajor flooding along Route 202 and Route 17 intersection. Road closed. Flooding along Riverview Drive and along Halifax Road and Bridle Path Lane. Flooding on Brakeshoe Place, Brook Street and Catherine Avenue.
- 9 ftState Route 202 floods downstream. Moderate flooding along Route 202 and Route 17. Water into backyards. Minor flooding along Brakeshoe Place, Brook Street and Catherine Avenue.
- 8 ftMinor flooding along Route 202.
Highest crests on record
- 15.78 ft — August 28, 2011
- 12.53 ft — October 16, 1955
- 12.52 ft — September 16, 1999
- 11.87 ft — May 29, 1968
- 11.35 ft — August 19, 1955
Recent crests: 15.78 ft (August 28, 2011) · 9.55 ft (April 17, 2011) · 10.72 ft (March 11, 2011) · 11.16 ft (March 7, 2011) · 8.07 ft (December 12, 2008)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MAWN4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.