River gauges›New Jersey
RIVER GAUGE · PASSAIC RIVER

Passaic River at Chatham

Morris County, New Jersey

Water level4.03 ft
Flow155 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action5.5 ft886 cfs
Minor flood6 ft
Moderate flood8 ft
Major flood10 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Aug 1, 19739.36 ft3,380 cfs
Sep 1, 20218.41 ft3,047 cfs
Jan 8, 19058.3 ft3,000 cfs

Flood map

See which streets and areas flood at each water level here. Open the flood map ↗

More on Passaic River

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A river gauge in the StormCast app

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