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Passaic River at Chatham
Critical Stages
5.5' - Action
6' - Flood
8' - Moderate
10' - Major
Latest Observation
Updated: 8:15 AM EST 12/6/25
Status: No Flooding
Stage: 3.92 ft
Flow: 0.127 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 PM 12/6 | 3.8 | 0.1 |
| 7 PM 12/6 | 3.8 | 0.1 |
| 1 AM 12/7 | 3.8 | 0.1 |
| 7 AM 12/7 | 3.7 | 0.08 |
| 1 PM 12/7 | 3.7 | 0.08 |
| 7 PM 12/7 | 3.7 | 0.08 |
| 1 AM 12/8 | 3.6 | 0.063 |
| 7 AM 12/8 | 3.6 | 0.063 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 8:15 AM 12/6 | 3.92 | 0.127 |
| 8:00 AM 12/6 | 3.92 | 0.127 |
| 7:45 AM 12/6 | 3.92 | 0.127 |
| 7:30 AM 12/6 | 3.92 | 0.127 |
| 7:15 AM 12/6 | 3.92 | 0.127 |
| 7:00 AM 12/6 | 3.92 | 0.127 |
| 6:45 AM 12/6 | 3.93 | 0.129 |
| 6:30 AM 12/6 | 3.92 | 0.127 |
| 6:15 AM 12/6 | 3.93 | 0.129 |
| 6:00 AM 12/6 | 3.92 | 0.127 |
| 5:45 AM 12/6 | 3.93 | 0.129 |
| 5:30 AM 12/6 | 3.93 | 0.129 |
| 5:15 AM 12/6 | 3.93 | 0.129 |
| 5:00 AM 12/6 | 3.93 | 0.129 |
| 4:45 AM 12/6 | 3.93 | 0.129 |
| 4:30 AM 12/6 | 3.93 | 0.129 |
| 4:15 AM 12/6 | 3.93 | 0.129 |
| 4:00 AM 12/6 | 3.93 | 0.129 |
| 3:45 AM 12/6 | 3.94 | 0.132 |
| 3:30 AM 12/6 | 3.94 | 0.132 |
| 3:15 AM 12/6 | 3.94 | 0.132 |
| 3:00 AM 12/6 | 3.94 | 0.132 |
| 2:45 AM 12/6 | 3.94 | 0.132 |
| 2:30 AM 12/6 | 3.94 | 0.132 |
| 2:15 AM 12/6 | 3.94 | 0.132 |
| 2:00 AM 12/6 | 3.94 | 0.132 |
| 1:45 AM 12/6 | 3.94 | 0.132 |
| 1:30 AM 12/6 | 3.94 | 0.132 |
| 1:15 AM 12/6 | 3.94 | 0.132 |
| 1:00 AM 12/6 | 3.94 | 0.132 |
11' -
Flooding begins between University Avenue and Route 24, north of Main Street.
10' -
Charwood and Brook Roads begin to flood. Passaic Street begins to flood near the intersection of Osborne Avenue. Edward Court begins to flood.
9' -
Business parking lots between Chatham Road and the Passaic River flood.
8' -
Businesses along John F. Kennedy Parkway, west of the Morris Turnpike, begin to flood.
6.5' -
The Central and Bridge Avenue bridges in Chatham Township are subject to closures. Edgewood Road is closed.
6' -
Portions of the Shepard Kolluck Park in Chatham floods. River Road by Henry Drive is subject to closures.
5.5' -
Open areas adjacent to the Passaic River flood in New Providence, Chatham Township, and Berkley Heights.
| Date | Stage (ft) |
|---|---|
| Aug 2, 1973 | 9.36 |
| Sep 2, 2021 | 8.41 |
| Jan 9, 1905 | 8.3 |
| Aug 28, 1971 | 8.16 |
| Sep 27, 1975 | 8.14 |
| Mar 18, 1907 | 8 |
| Sep 26, 1975 | 7.97 |
| Mar 15, 2010 | 7.91 |
| May 29, 1968 | 7.9 |
| Aug 29, 2011 | 7.76 |
| Sep 17, 1999 | 7.6 |
| Oct 21, 1996 | 7.49 |
| Apr 17, 2007 | 7.45 |
| Aug 16, 1942 | 7.32 |
| Apr 6, 1984 | 7.26 |
| Jan 30, 1994 | 7.02 |
| Jun 5, 1992 | 6.87 |
| Dec 18, 2023 | 6.85 |
| May 1, 2014 | 6.46 |
| Jan 13, 2024 | 6.43 |
Data provided by the National Weather Service.
