RIVER GAUGE · FLAT BROOK
Flat Brook above Flatbrookville
Sussex County, New Jersey
Water level1.91 ft
Flow17 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action5 ft
Minor flood6 ft
Moderate flood7 ft
Major flood9 ft
The past week
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Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Aug 27, 2011 | 12.9 ft | — |
| Aug 18, 1955 | 12.58 ft | 9,560 cfs |
| Apr 15, 1983 | 9.52 ft | 5,110 cfs |
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