Major Flood
20 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
18 ft
Minor Flood
17 ft
Action Stage
15.5 ft
What Floods at Each Level
20 ft
State Route 11 bridge across the St. Croix Stream is closed. Severe impact to structures along State Route 11 in Masardis.
18 ft
Garfield Road closed at the bridge over the Aroostook River. Several structures along State Route 11 in Masardis impacted by floodwaters. Significant inundation of agricultural lands downstream of the St. Croix Stream in Masardis to the Butler Island Wildlife Management Area in Ashland.
17 ft
Minor flooding along State Route 11 in Masardis and backwater flooding along the St. Croix Stream.
15.5 ft
Minor flooding occurs in agricultural lands along the river from Downstream of the St. Croix Stream in Masardis to the Butler Island Wildlife Management Area in Ashland.
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, 2009 | 18.7 ft | 31,260 cfs |
| May 1, 2008 | 18.33 ft | 25,156 cfs |
| Apr 15, 2014 | 18.17 ft | 17,100 cfs |
About This Gauge
USGS Site
NWS LID
MASM1
River
Aroostook River
County
Aroostook, ME
Coordinates
46.5231°N, 68.3717°W
Get Flood Alerts for Aroostook 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 Aroostook River at Masardis?
The Aroostook River at Masardis gauge is maintained by USGS (site 01015800) 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 Aroostook River at Masardis?
The NWS-defined flood stage for Aroostook River at Masardis is 17 feet. Action stage begins at 15.5 feet. Moderate flooding starts at 18 feet, and major flooding at 20 feet.
How do I get alerts when Aroostook River rises?
Download StormCast free on Google Play, go to River Gauges, and add Aroostook River at Masardis 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 Aroostook River at Masardis gauge located?
The gauge is located in Aroostook County, Maine at coordinates 46.5231°N, 68.3717°W. USGS site number: 01015800. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Aroostook River
On This River
Downstream: Aroostook River at Washburn
More Resources
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.
- Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.