Neshanic River at Reaville
New Jersey — Water Level & Flood Stage
Located in Hunterdon County, New Jersey on the Neshanic River. Live water level data from USGS gauge 01398000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Minor Flood
6.5 ft
Action Stage
5.5 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
9 ft
Route 202 in Flemington is flooded.
6.5 ft
Minor flooding begins. Roads are subject to closures in the vicintiy of the river.
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 |
|---|---|---|
| Sep 2, 2021 | 19.47 ft | 7,014 cfs |
| Sep 2, 2021 | 19.47 ft | 7,014 cfs |
| Sep 15, 1999 | 15.33 ft | 23,100 cfs |
| Sep 15, 1999 | 15.33 ft | 23,100 cfs |
| Aug 27, 2011 | 14.66 ft | — |
About This Gauge
USGS Site
NWS LID
REAN4
River
Neshanic River
County
Hunterdon, NJ
Coordinates
40.4733°N, 74.8278°W
Get Flood Alerts for Neshanic 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 Neshanic River at Reaville?
The Neshanic River at Reaville gauge is maintained by USGS (site 01398000) 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 Neshanic River at Reaville?
The NWS-defined flood stage for Neshanic River at Reaville is 6.5 feet. Action stage begins at 5.5 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when Neshanic River rises?
Download StormCast free on Google Play, go to River Gauges, and add Neshanic River at Reaville to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Neshanic River at Reaville gauge located?
The gauge is located in Hunterdon County, New Jersey at coordinates 40.4733°N, 74.8278°W. USGS site number: 01398000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey