StormCast — Weather & Emergency Alerts

Rockaway River at Boonton below reservoir
New Jersey — Water Level & Flood Stage

Located in Morris County, New Jersey on the Rockaway River. Live water level data from USGS gauge 01381000, 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

8 ft

Moderate Flood

7 ft

Minor Flood

5 ft

Action Stage

4.5 ft

949 cfs

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

What Floods at Each Level

8 ft

Due to high water on the Rockaway River, water backs up through storm drains and flood portions of Lancaster Avenue, Normandy Drive, Buckingham Circle, Sheffield Place, Manchester Drive and Konner Avenue in Montville. High water on the Rockaway also backs up Hatfield Creek in Montville and causes additional flooding on Lancaster Avenue.

7.7 ft

Change Bridge Road in Montville, north of Woodmont Road and south of Stiles Lane, floods. River Road in Montville floods near Condurso's Garden Center. Both roads are closed.

6 ft

Flooding occurs on Vail Road in Montville. The Road heading into Parsippany is subject to closures.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
Aug 28, 20119.73 ft6,140 cfs
Aug 28, 20119.73 ft6,140 cfs
Jan 24, 19798.3 ft4,380 cfs
Jan 24, 19798.3 ft4,380 cfs
May 28, 19688.2 ft4,260 cfs

About This Gauge

USGS Site

01381000

NWS LID

BONN4

River

Rockaway River

County

Morris, NJ

Coordinates

40.8969°N, 74.3947°W

Get Flood Alerts for Rockaway 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.

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Frequently Asked Questions

What is the current water level of Rockaway River at Boonton below reservoir?

The Rockaway River at Boonton below reservoir gauge is maintained by USGS (site 01381000) 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 Rockaway River at Boonton below reservoir?

The NWS-defined flood stage for Rockaway River at Boonton below reservoir is 5 feet. Action stage begins at 4.5 feet. Moderate flooding starts at 7 feet, and major flooding at 8 feet.

How do I get alerts when Rockaway River rises?

Download StormCast free on Google Play, go to River Gauges, and add Rockaway River at Boonton below reservoir 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 Rockaway River at Boonton below reservoir gauge located?

The gauge is located in Morris County, New Jersey at coordinates 40.8969°N, 74.3947°W. USGS site number: 01381000. 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