Mahwah River at Suffern
Critical Stages
4.5' - Action
5' - Flood
7' - Moderate
10.5' - Major
Latest Observation
Updated: 12:30 PM EST 12/7/25
Status: No Flooding
Stage: 1.77 ft
Flow: 0.009 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:30 PM 12/7 | 1.77 | 0.009 |
| 12:15 PM 12/7 | 1.77 | 0.009 |
| 12:00 PM 12/7 | 1.77 | 0.009 |
| 11:45 AM 12/7 | 1.77 | 0.009 |
| 11:30 AM 12/7 | 1.76 | 0.0087 |
| 11:15 AM 12/7 | 1.77 | 0.009 |
| 11:00 AM 12/7 | 1.77 | 0.009 |
| 10:45 AM 12/7 | 1.76 | 0.0087 |
| 10:30 AM 12/7 | 1.77 | 0.009 |
| 10:15 AM 12/7 | 1.76 | 0.0087 |
| 10:00 AM 12/7 | 1.77 | 0.009 |
| 9:45 AM 12/7 | 1.77 | 0.009 |
| 9:30 AM 12/7 | 1.77 | 0.009 |
| 9:15 AM 12/7 | 1.76 | 0.0087 |
| 9:00 AM 12/7 | 1.77 | 0.009 |
| 8:45 AM 12/7 | 1.77 | 0.009 |
| 8:30 AM 12/7 | 1.77 | 0.009 |
| 8:15 AM 12/7 | 1.75 | 0.0084 |
| 8:00 AM 12/7 | 1.75 | 0.0084 |
| 7:45 AM 12/7 | 1.75 | 0.0084 |
| 7:30 AM 12/7 | 1.75 | 0.0084 |
| 7:15 AM 12/7 | 1.75 | 0.0084 |
| 7:00 AM 12/7 | 1.75 | 0.0084 |
| 6:45 AM 12/7 | 1.76 | 0.0087 |
| 6:30 AM 12/7 | 1.77 | 0.009 |
| 6:15 AM 12/7 | 1.77 | 0.009 |
| 6:00 AM 12/7 | 1.76 | 0.0087 |
| 5:45 AM 12/7 | 1.75 | 0.0084 |
| 5:30 AM 12/7 | 1.76 | 0.0087 |
| 5:15 AM 12/7 | 1.77 | 0.009 |
10.6' -
Major flooding along Mahwah River at Suffern. 8 feet of waters into homes basements. Major flooding in homes in the Squires Gate community along the Mahwah River, especially on Lonergan Drive.
7' -
Moderate flooding along Mahwah River at Suffern communities. Moderate flooding in homes in the Squires Gate community along the Mahwah River, especially on Lonergan Drive.
5' -
Minor flooding on homes along the Mahwah River at Suffern. Minor flooding in homes in the Squires Gate community along the Mahwah River, especially on Lonergan Drive.
| Date | Stage (ft) |
|---|---|
| Sep 16, 1999 | 9.7 |
Data provided by the National Weather Service.
