Wanaque River at Wanaque
Flood levels
Official flood levels at this gauge: action stage begins at 5.0 ft; minor flooding begins at 6.0 ft; moderate flooding begins at 8.0 ft; major flooding begins at 9.0 ft.
| Action stage | 5.0 ft |
|---|---|
| Minor flooding | 6.0 ft |
| Moderate flooding | 8.0 ft |
| Major flooding | 9.0 ft |
Highest recorded crests
- 10.8 ft on Apr 5, 1984 (historic crest)
- 9.1 ft on Mar 31, 1951 (historic crest)
- 8.4 ft on May 29, 1968 (historic crest)
- 8.0 ft on Mar 11, 2011 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 5.0 ft | Open adjacent land begins to flood. Waters rise around Wilderness Island Park. |
|---|---|
| 6.0 ft | John E. Murrin Park begins to flood. Hershfield Park floods. The athletic fields begin to take on water. Parking lots and Hershfield Park Place floods. Carlough Field floods. |
| 7.0 ft | Back Beach Park in Wanaque begins to flood. The light industrial area off of Lakeside Avenue in Pompton Lakes floods. VFW Way in Pompton Lakes begins to flood. Backyards flood on Henderson Court and Hill Court in Pompton Lakes. |
| 8.0 ft | The athletic fields at Back Beach Park in Wanaque flood. Flooding expands across the light industrial area off of Lakeside Avenue in Pompton Lakes. Flooding also expands across VFW Way in Pompton Lakes. Backyard flooding worsens on Henderson Court and Hill Court in Pompton Lakes. Basement flooding is possible. |
| 9.0 ft | Back Beach Park in Wanaque is completely submerged. 4th Avenue is Wanaque takes on water. Flooding in Pompton Lakes expands between Wanaque Avenue and the Paterson Hamburg Turnpike. Industry and residential homes are flooded. |
| 10.0 ft | Flooding expands in Pompton Lakes. Roads between Hershfield Park Place and Riverdale Road flood. Residences are flooded, mainly basements. |
| 11.0 ft | Flooding expands in Pompton Lakes. Flooding increases between Hershfield Park Place. Riverdale Road floods. First floor residential flooding occurs. |
Forecast office: NWS Mount Holly · River Forecast Center: Middle Atlantic River Forecast Center.
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Nearby stations and gauges
- Wanaque River at Wanaque Reservoir elevation NWS gauge · 0.1 mi
- Ramapo River at Oakland NWS gauge · 2.5 mi
- Ramapo River at Lakseside Ave at Pompton Lakes NWS gauge · 2.7 mi
- Pequannock River at Riverdale NWS gauge · 3.2 mi
- Ramapo River at Pompton Lakes Dam NWS gauge · 3.6 mi
- Ramapo River at Pompton Lakes NWS gauge · 3.7 mi