South Branch Raritan River at Stanton, NJ
River level and flood forecast · Hunterdon County
The river is 5.1 ft below flood stage (8 ft).
Forecast to fall to 2.7 ft by Thu, Oct 15, 2 PM.
Flow: 157 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 3:03 PM. Forecasts change as rain falls and as upstream water arrives.
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An email when the National Weather Service forecasts South Branch Raritan River at Stanton to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 12 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 8 ft |
| Action stage | 7 ft |
| Record crest (August 19, 1955) | 15.22 ft |
What floods at each level
From the National Weather Service, highest first.
- 13.5 ftBridge is completely submerged under water.
- 10 ftHouses downstream begin to take on water.
- 8 ftRight bank and approach to bridge is flooded.
- 5 ftMinor low land flooding downstream of gauge.
Highest crests on record
- 15.22 ft — August 19, 1955
- 15.16 ft — September 2, 2021
- 13.9 ft — September 16, 1999
- 13.61 ft — August 28, 2011
- 12.72 ft — January 25, 1979
Recent crests: 12.24 ft (January 10, 2024) · 9.82 ft (December 28, 2023) · 11.19 ft (December 18, 2023) · 8.86 ft (July 10, 2023) · 9.09 ft (April 8, 2022)
Up and down the river, and nearby
- UpstreamSouth Branch Raritan River at High Bridge, NJ
- Spruce Run at Clinton, NJ
- South Branch Rockaway River at Whitehouse Station, NJ
- Neshanic River at Reaville, NJ
- Mulhockaway Creek at Clinton, NJ
- South Branch Raritan River at Neshanic Station, NJ
- Spruce Run at Glen Gardner, NJ
- South Branch Raritan River at South Branch, NJ
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (STTN4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.