Major Flood
19 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
17 ft
Minor Flood
15 ft
Action Stage
13 ft
What Floods at Each Level
19 ft
Widespread significant flooding upstream of Eliza Hole Rapids. Michaud Tote Road and Inn Road impassable. Numerous camp roads flooded. River side campsites between Allagash Falls and Eliza Hole Rapids completely inundated. Flooding similar to April 1983 and 1991.
17 ft
Significant flooding of Michaud Tote Road and Inn Road in the town of Allagash. Floodwaters threaten Route 161 in the town of Allagash combined with St. John River conditions. Campsites inundated between Allagash Falls and Eliza Hole Rapids.
15 ft
Minor low lying flooding occurs between Allagash Falls and the town of Allagash. River campsites flooded between McGargle Rocks to Eliza Hole Rapids.
13 ft
River approaches bankfull. River begins to threaten low lying campsites between Allagash Falls and Eliza Hole Rapids.
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 |
|---|---|---|
| Apr 9, 1991 | 19.78 ft | — |
| Apr 17, 1983 | 19.48 ft | 36,900 cfs |
| Apr 5, 1988 | 17.55 ft | — |
About This Gauge
USGS Site
NWS LID
ALLM1
River
Allagash River
County
Aroostook, ME
Coordinates
47.0697°N, 69.0794°W
Get Flood Alerts for Allagash 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 Allagash River above Allagash?
The Allagash River above Allagash gauge is maintained by USGS (site 01011000) 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 Allagash River above Allagash?
The NWS-defined flood stage for Allagash River above Allagash is 15 feet. Action stage begins at 13 feet. Moderate flooding starts at 17 feet, and major flooding at 19 feet.
How do I get alerts when Allagash River rises?
Download StormCast free on Google Play, go to River Gauges, and add Allagash River above Allagash 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 Allagash River above Allagash gauge located?
The gauge is located in Aroostook County, Maine at coordinates 47.0697°N, 69.0794°W. USGS site number: 01011000. Data is provided by the U.S. Geological Survey and the National Weather Service.
On This River
Downstream: St. John River at Fort Kent
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice.
- Stage may be affected by ice.