Pequannock River at Riverdale, NJ
River level and flood forecast · Morris County
The river is 5.1 ft below flood stage (8 ft).
Flow: 140 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Jan 1, 12 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Pequannock River at Riverdale to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 11 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 8 ft |
| Action stage | 7 ft |
| Record crest (April 5, 1984) | 13.6 ft |
What floods at each level
From the National Weather Service, highest first.
- 12 ftRiverview Terrace in Riverdale floods. Houses take on water.
- 11 ftMain Street, Van Dam Avenue, and Hamilton Street in Bloomingdale flood. Houses on Garden Avenue in Riverdale begin to flood.
- 10 ftBrandt Lane in Bloomingdale floods in several spots and becomes impassable.
- 9 ftAdditional businesses along Main Street in Bloomingdale take on water.
- 8 ftBusiness along Main Street in Bloomingdale, closest to the river, begin to flood. Brandt Lane in Bloomingdale begins to flood.
Highest crests on record
- 13.6 ft — April 5, 1984
- 12.57 ft — August 28, 2011
- 9.74 ft — December 18, 2023
- 9.36 ft — January 27, 1996
- 8.99 ft — September 2, 2021
Recent crests: 8.55 ft (January 10, 2024) · 9.74 ft (December 18, 2023) · 8.99 ft (September 2, 2021) · 7.44 ft (July 31, 2016) · 12.57 ft (August 28, 2011)
Up and down the river, and nearby
- UpstreamPequannock River at Macopin, NJ
- Ramapo River at Pompton Lakes, NJ
- Ramapo River at Pompton Lakes Dam, NJ
- Ramapo River at Dawes Highway at Pompton Lakes, NJ
- Ramapo River at Lakseside Ave at Pompton Lakes, NJ
- Pompton River at Pompton Plains, NJ
- Wanaque River at Wanaque, NJ
- Ramapo River at Oakland, NJ
- Beaver Dam Brook at Lincoln Park, NJ
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (RDLN4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.