Rockaway River at Boonton above reservoir, NJ
River level and flood forecast · Morris County
The river is 3.0 ft below flood stage (4.5 ft).
Forecast to fall to 1.1 ft by Thu, Oct 15, 2 PM.
Flow: 353 cubic feet per second (USGS).
River camera
Watch the time-lapse
Camera by the U.S. Geological Survey. Most take a picture every hour, some every few minutes; many stop at night.
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 3:02 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Rockaway River at Boonton above reservoir to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 7 ft |
| Moderate flood stage | 6 ft |
| Flood stage | 4.5 ft |
| Action stage | 3.5 ft |
| Record crest (December 18, 2023) | 4.71 ft |
What floods at each level
From the National Weather Service, highest first.
- 10 ftMain Street businesses in Denville experience several feet of water.
- 9 ftBusinesses on Main Street in Denville begin to flood. Sections of Boonton (municipality) begin to flood.
- 8 ftInterstate Route 80 in Denville floods. Portions of Dover Township are under several feet of water.
- 7 ftPark's Lake area in Denville is flooded. Residents near Savage Road in Denville take on water. Residential areas in Dover Township adjacent to the river experience significant flooding.
- 6 ftMain Street in Rockaway is flooded. Jackson Avenue in Rockaway is flooded. Water backs up and comes through the sewer system. Main Street in Denville begins to flood. Gardner Park in Denville experiences significant flooding. Football and baseball fields are submerged in several feet of water. Portions of Boonton Township begin to flood.
- 5.5 ftThe main parking lot at St. Clare's Hospital begins to flood.
- 5 ftSavage Road and other roads around Gardner Park in Denville flood.
- 3.5 ftThe Rockaway River leaves its banks and floods adjacent parks and trails in Denville including Gardner park.
- 2 ftThe Rockaway River leaves its banks and begins to flood the river parking lot at St. Clare's Hospital.
Highest crests on record
- 4.71 ft — December 18, 2023
- 4.67 ft — January 10, 2024
- 3.7 ft — May 1, 2014
Recent crests: 4.67 ft (January 10, 2024) · 4.71 ft (December 18, 2023) · 3.7 ft (May 1, 2014)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BOTN4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.