Minor Flood
6 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.
Action Stage
5 ft
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 1, 2021 | 11.47 ft | 2,410 cfs |
| Sep 15, 1999 | 9.3 ft | 1,490 cfs |
| Aug 11, 2000 | 7.86 ft | 981 cfs |
About This Gauge
USGS Site
NWS LID
MRTN4
River
West Branch Middle Brook
County
Somerset, NJ
Coordinates
40.6122°N, 74.5911°W
Get Flood Alerts for West Branch Middle Brook
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 West Branch Middle Brook near Martinsville?
The West Branch Middle Brook near Martinsville gauge is maintained by USGS (site 01403150) 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 West Branch Middle Brook near Martinsville?
The NWS-defined flood stage for West Branch Middle Brook near Martinsville is 6 feet. Action stage begins at 5 feet. Moderate flooding starts at N/A feet, and major flooding at N/A feet.
How do I get alerts when West Branch Middle Brook rises?
Download StormCast free on Google Play, go to River Gauges, and add West Branch Middle Brook near Martinsville 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 West Branch Middle Brook near Martinsville gauge located?
The gauge is located in Somerset County, New Jersey at coordinates 40.6122°N, 74.5911°W. USGS site number: 01403150. 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