Passaic River near Chatham NJ
Is Passaic River near Chatham NJ flooding right now?
Passaic River near Chatham NJ measured 3.52 ft on 2026-09-11 01:30:00 UTC. That observation was 2.5 ft below its 6 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
3.52 ft
Streamflow
51 cfs
Minor flooding here begins at 6 ft, with major flooding at 10 ft. The highest crest on record was 9.36 ft on Thu, Aug 2, 1973.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 5.5 ft | 2.0 ft below |
| Minor flood | 6 ft | 2.5 ft below |
| Moderate flood | 8 ft | 4.5 ft below |
| Major flood | 10 ft | 6.5 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 9.36 ft | 1973-08-02 |
| 8.41 ft | 2021-09-02 |
| 8.3 ft | 1905-01-09 |
| 8.16 ft | 1971-08-28 |
| 8.14 ft | 1975-09-27 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Canoe Brook near Summit NJ | 2.3 mi | Essex County |
| Green Brook at Seeley Mills NJ | 4.2 mi | Somerset County |
| West Branch Rahway River at Millburn NJ | 4.3 mi | Essex County |
| Rahway River near Springfield NJ | 4.9 mi | Union County |
| Rahway River at Kenilworth NJ | 5.4 mi | Union County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.