Rivers in New Jersey
Ramapo River at Pompton Lakes
Below flood stage
7.20ftStage
Observed Tue, Sep 22, 12:15 AM EDT
- Flood stage
- 11.50 ft
- Forecast crest
- 7.20 ftTue, Sep 22, 2:00 AM EDT
- Record crest
- 22.62 ft2011
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 14.50 ft |
| Moderate flood | 13.50 ft |
| Minor flood | 11.50 ft |
| Action | 10.00 ft |
- 14.50 ftMajor flooding with evacuations. Flooding worsened by the confluence of the Pompton River.
- 13.50 ftHamburg Turnpike is closed between Route 202 and Riverview Road. Many residences are flooded south of Dawes Highway.
- 12.50 ftSeveral residences in Pompton Lakes, along Riveredge Drive, take on water.
- 11.50 ftSouth section of Pompton Lakes experiences flooding.
- 10.00 ftNuisance, low lying flooding, occurs near the dam in the Pompton Lakes.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 14% |
| Moderate flooding | 7% |
| Major flooding | 7% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
18 crests on NOAA’s list since 1984.
| # | Date | Stage |
|---|---|---|
| 1 | August 29, 2011 | 22.62 ft |
| 2 | April 5, 1984 | 21.60 ft |
| 3 | March 14, 2010 | 18.05 ft |
| 4 | April 16, 2007 | 16.99 ft |
| 5 | March 11, 2011 | 16.72 ft |
| 6 | December 18, 2023 | 15.87 ft |
| 7 | March 7, 2011 | 15.83 ft |
| 8 | April 17, 2011 | 14.80 ft |
| 9 | September 2, 2021 | 14.53 ft |
| 10 | September 8, 2011 | 14.33 ft |
| 11 | April 3, 2005 | 14.22 ft |
| 12 | January 10, 2024 | 13.79 ft |
| 13 | October 13, 2005 | 13.66 ft |
| 14 | December 24, 2007 | 13.02 ft |
| 15 | March 31, 2010 | 11.12 ft |
| 16 | December 12, 2008 | 11.03 ft |
| 17 | May 1, 2014 | 10.80 ft |
| 18 | March 29, 2005 | 10.58 ft |
Most recent crests
- January 10, 2024: 13.79 ft
- December 18, 2023: 15.87 ft
- September 2, 2021: 14.53 ft
- May 1, 2014: 10.80 ft
- September 8, 2011: 14.33 ft
- August 29, 2011: 22.62 ft
- April 17, 2011: 14.80 ft
- March 11, 2011: 16.72 ft
- March 7, 2011: 15.83 ft
- March 31, 2010: 11.12 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Middle Atlantic River Forecast Center. Forecasts are issued routinely year-round. Gauge reading affected by reservoir operations.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.