Major Flood
31 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
28 ft
Minor Flood
25 ft
Action Stage
23 ft
What Floods at Each Level
35.2 ft
This is the record flood from the remnants of Hurricane Diane in 1955. Widespread flooding with significant damages occurred on both sides of the river.
32.2 ft
During the flood of June 2006, flooding extended up to Metz Road and covered all of Milford Beach area. Several residences were affected. Mashipacong Island was evacuated, as well as 60 residences on River Road in Montague Township. The Dingman's Ferry bridge sustained damage and was closed.
31.7 ft
Dingman's Ferry bridge is closed at this level. Mashipacong Island has been evacuated in the past. Several properties are flooded on River Road in Montague Township, NJ.
31 ft
Milford Beach area inundated to E. Hartford Street. Parts of River Road in Milford are inundated.
28 ft
Flooding extends up Milford Beach Road and along the lowlands nearest the river. Sawkill Creek backs up toward E. Hartford Street. Parts of River Road in Milford begin to flood.
26.7 ft
Inundation of agricultural and recreational areas nearest the river increases. Some evacuations took place on the New Jersey side of the river during the January 1996 flood.
25 ft
Minor flooding begins in the Milford Beach Park area, including Metcalfe Lane.
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 18, 1955 | 35.15 ft | 250,000 cfs |
| Jun 28, 2006 | 32.16 ft | 212,000 cfs |
| Apr 3, 2005 | 31.69 ft | 206,202 cfs |
Flood Inundation Map
NOAA has mapped what areas flood at different water levels for this gauge. View the interactive flood inundation map →
About This Gauge
Get Flood Alerts for Delaware 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 Delaware River at Montague?
The Delaware River at Montague gauge is maintained by USGS (site 01438500) 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 Delaware River at Montague?
The NWS-defined flood stage for Delaware River at Montague is 25 feet. Action stage begins at 23 feet. Moderate flooding starts at 28 feet, and major flooding at 31 feet.
How do I get alerts when Delaware River rises?
Download StormCast free on Google Play, go to River Gauges, and add Delaware River at Montague 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 Delaware River at Montague gauge located?
The gauge is located in Sussex County, New Jersey at coordinates 41.3092°N, 74.7956°W. USGS site number: 01438500. 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
- Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.