Major Flood
8 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
5 ft
Action Stage
4.5 ft
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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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Aug 28, 2011 | 9.73 ft | 6,140 cfs |
| Jan 24, 1979 | 8.3 ft | 4,380 cfs |
| May 28, 1968 | 8.2 ft | 4,260 cfs |
About This Gauge
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.
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.
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.
More Gauges on Rockaway River
On This River
Upstream: Rockaway River at Boonton
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey