Ramapo River at Mahwah
Flood levels
Official flood levels at this gauge: action stage begins at 7.5 ft; minor flooding begins at 8.0 ft; moderate flooding begins at 9.0 ft; major flooding begins at 12.0 ft.
| Action stage | 7.5 ft |
|---|---|
| Minor flooding | 8.0 ft |
| Moderate flooding | 9.0 ft |
| Major flooding | 12.0 ft |
Highest recorded crests
- 15.8 ft on Aug 28, 2011 (historic crest)
- 12.5 ft on Oct 16, 1955 (historic crest)
- 12.5 ft on Sep 16, 1999 (historic crest)
- 11.9 ft on May 29, 1968 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 8.0 ft | Minor flooding along Route 202. |
|---|---|
| 9.0 ft | State 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. |
| 12.0 ft | Major 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. |
Forecast office: NWS Upton · River Forecast Center: Middle Atlantic River Forecast Center.
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Nearby stations and gauges
- Ramapo River at Suffern NWS gauge · 1.1 mi
- Ramapo River at Ramapo NWS gauge · 3.0 mi
- Mahwah River at Suffern NWS gauge · 3.8 mi
- Saddle River at Upper Saddle River NWS gauge · 4.4 mi
- Ramapo River at Oakland NWS gauge · 6.6 mi
- Hohokus Brook at Ho-Ho-Kus NWS gauge · 7.4 mi