Major Flood
9.5 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
8 ft
Minor Flood
6 ft
Action Stage
5.5 ft
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 16, 1999 | 9.6 ft | 5,590 cfs |
| Apr 15, 2007 | 8.91 ft | 4,910 cfs |
| Mar 13, 2010 | 8.12 ft | 3,690 cfs |
About This Gauge
Get Flood Alerts for Rahway 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 Rahway River at Rahway?
The Rahway River at Rahway gauge is maintained by USGS (site 01395000) 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 Rahway River at Rahway?
The NWS-defined flood stage for Rahway River at Rahway is 6 feet. Action stage begins at 5.5 feet. Moderate flooding starts at 8 feet, and major flooding at 9.5 feet.
How do I get alerts when Rahway River rises?
Download StormCast free on Google Play, go to River Gauges, and add Rahway River at Rahway 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 Rahway River at Rahway gauge located?
The gauge is located in Union County, New Jersey at coordinates 40.6181°N, 74.2833°W. USGS site number: 01395000. 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