Raritan River at Bound Brook, NJ
River level and flood forecast · Somerset County
The river is 7.6 ft below flood stage (28 ft).
Forecast to fall to 17.7 ft by Thu, Oct 15, 2 PM.
Flow: 3,450 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 Raritan River at Bound Brook to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 33 ft |
| Moderate flood stage | 30 ft |
| Flood stage | 28 ft |
| Action stage | 26 ft |
| Record crest (September 2, 2021) | 42.13 ft |
What floods at each level
From the National Weather Service, highest first.
- 33 ftA large portion of Bound Brook is protected by the flood reduction project. Pump station operations become critical, at this stage, for the continued protection of the borough.
- 30 ftMain Street is protected by flap valves/sluice gates. This level triggers the gate closures to protect Main Street.
- 28 ftBackyard and low areas are protected by levees and the flood wall. Without the levees or if there is a breach in the levees, minor flooding will occur.
Highest crests on record
- 42.13 ft — September 2, 2021
- 42.13 ft — September 17, 1999
- 41.9 ft — August 28, 2011
- 38.38 ft — April 16, 2007
- 37.47 ft — August 28, 1971
Recent crests: 33.7 ft (January 10, 2024) · 29.62 ft (December 28, 2023) · 33.72 ft (December 19, 2023) · 29.89 ft (April 8, 2022) · 42.13 ft (September 2, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BDKN4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.