St. John River at Nine Mile Bridge
Maine — Water Level & Flood Stage
Located in Aroostook County, Maine on the St. John River. Live water level data from USGS gauge 01010000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
23 ft
Moderate Flood
20 ft
Minor Flood
15 ft
Action Stage
13 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
23 ft
Widespread flooding of trails and campgrounds along The St. John River from Moody Campground to Seven Islands and the Blanchette/Maibec Road Bridge. Additional widespread flooding of campgrounds from Priestly Rapids to the confluence of the Big Black River. Flooding similar to April 1991.
20 ft
Several campgrounds in the North Woods flooded including Moody, Burntland Brook, Nine Mile, East Nine Mile, Connors Farm, Seven Island, Priestly, Simmons Farm, Basford Rips and Big Black.
15 ft
Minor flooding occurs in campgrounds between Burntland Brook to Priestly Rapids with backwater issues on small streams and creeks.
13 ft
River approaches bankfull. Low water crossings become impossible.
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 10, 1991 | 23 ft | — |
| Apr 10, 1991 | 23 ft | — |
| Apr 1, 1976 | 20 ft | — |
| Apr 1, 1976 | 20 ft | — |
| Apr 15, 2019 | 19.1 ft | — |
About This Gauge
USGS Site
NWS LID
NINM1
River
St. John River
County
Aroostook, ME
Coordinates
46.7006°N, 69.7156°W
Get Flood Alerts for St. John 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 St. John River at Nine Mile Bridge?
The St. John River at Nine Mile Bridge gauge is maintained by USGS (site 01010000) 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 St. John River at Nine Mile Bridge?
The NWS-defined flood stage for St. John River at Nine Mile Bridge is 15 feet. Action stage begins at 13 feet. Moderate flooding starts at 20 feet, and major flooding at 23 feet.
How do I get alerts when St. John River rises?
Download StormCast free on Google Play, go to River Gauges, and add St. John River at Nine Mile Bridge to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the St. John River at Nine Mile Bridge gauge located?
The gauge is located in Aroostook County, Maine at coordinates 46.7006°N, 69.7156°W. USGS site number: 01010000. 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
- Stage may be affected by ice.
- Stage may be affected by ice.