StormCast — Weather & Emergency Alerts

Flat Brook above Flatbrookville
New Jersey — Water Level & Flood Stage

Located in Sussex County, New Jersey on the Flat Brook. Live water level data from USGS gauge 01440000, 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

Major Flood

9 ft

Moderate Flood

7 ft

Minor Flood

6 ft

Action Stage

5 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

7-Day Water Level Chart

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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
Aug 27, 201112.9 ft
Aug 27, 201112.9 ft
Aug 18, 195512.58 ft9,560 cfs
Aug 18, 195512.58 ft9,560 cfs
Apr 15, 19839.52 ft5,110 cfs

About This Gauge

USGS Site

01440000

NWS LID

FLAN4

River

Flat Brook

County

Sussex, NJ

Coordinates

41.1061°N, 74.9525°W

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.

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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 — even when your screen is off.

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