Major Flood
9 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
7 ft
Minor Flood
6 ft
Action Stage
5 ft
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Aug 27, 2011 | 12.9 ft | — |
| Aug 18, 1955 | 12.58 ft | 9,560 cfs |
| Apr 15, 1983 | 9.52 ft | 5,110 cfs |
About This Gauge
Get Flood Alerts for Flat 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 Flat Brook above Flatbrookville?
The Flat Brook above Flatbrookville gauge is maintained by USGS (site 01440000) 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 Flat Brook above Flatbrookville?
The NWS-defined flood stage for Flat Brook above Flatbrookville is 6 feet. Action stage begins at 5 feet. Moderate flooding starts at 7 feet, and major flooding at 9 feet.
How do I get alerts when Flat Brook rises?
Download StormCast free on Google Play, go to River Gauges, and add Flat Brook above Flatbrookville 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 Flat Brook above Flatbrookville gauge located?
The gauge is located in Sussex County, New Jersey at coordinates 41.1061°N, 74.9525°W. USGS site number: 01440000. 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