Major Flood
25 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
24 ft
Minor Flood
22 ft
Action Stage
18.5 ft
What Floods at Each Level
30.6 ft
The Belvidere-Riverton Bridge surface floods.
23 ft
Approach roads to the Belvidere-Riverton Bridge in both New Jersey and Pennsylvania begin to flood. On the New Jersey side, Water Street begins to flood and in Pennsylvania, Martins Creek Belvidere Highway takes on water.
20 ft
Backwater from the Delaware River cause problems in the town of Belvidere along the Pequest River.
19 ft
River Road is flooded in Lopatcong Township.
18.5 ft
Hutchinson River Road in Harmony Township takes on water.
14 ft
Low lying areas downstream in Hutchinson and Brainards begin to flood.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Aug 18, 1955 | 30.21 ft | 273,000 cfs |
| Oct 9, 1903 | 28.6 ft | 220,000 cfs |
| Apr 3, 2005 | 27.24 ft | 223,000 cfs |
Flood Inundation Map
NOAA has mapped what areas flood at different water levels for this gauge. View the interactive flood inundation map →
About This Gauge
Get Flood Alerts for Delaware River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Delaware River at Belvidere?
The Delaware River at Belvidere gauge is maintained by USGS (site 01446500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Delaware River at Belvidere?
The NWS-defined flood stage for Delaware River at Belvidere is 22 feet. Action stage begins at 18.5 feet. Moderate flooding starts at 24 feet, and major flooding at 25 feet.
How do I get alerts when Delaware River rises?
Download StormCast free on Google Play, go to River Gauges, and add Delaware River at Belvidere to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Delaware River at Belvidere gauge located?
The gauge is located in Warren County, New Jersey at coordinates 40.8264°N, 75.0825°W. USGS site number: 01446500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- The above river forecast includes future rainfall. Forecast stages may be different if the rainfall does not occur.