RIVER GAUGE · SOUTH BRANCH RARITAN RIVER
South Branch Raritan River at Stanton
Hunterdon County, New Jersey
Water level2.55 ft
Flow68 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action7 ft2,869 cfs
Minor flood8 ft
Moderate flood10 ft
Major flood12 ft
The past week
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What floods at each level
- 13.5 ft
Bridge is completely submerged under water.
- 10 ft
Houses downstream begin to take on water.
- 8 ft
Right bank and approach to bridge is flooded.
- 5 ft
Minor low land flooding downstream of gauge.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Aug 18, 1955 | 15.22 ft | 18,000 cfs |
| Sep 1, 2021 | 15.16 ft | 17,857 cfs |
| Sep 15, 1999 | 13.9 ft | 14,800 cfs |
More on South Branch Raritan River
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