Kennebec River at Augusta
Maine — Water Level & Flood Stage
Located in Kennebec County, Maine on the Kennebec River. Live water level data from USGS gauge 01049320, 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
25 ft
Moderate Flood
17 ft
Minor Flood
12 ft
Action Stage
10 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
37.7 ft
A level more than 3 feet higher than any known flood. Unprecedented flooding with water near the base of Memorial Bridge.
34 ft
Comparable to the historic flood level reached in April 1987. Properties severely flooded along Front Street. Water rises up to Calumet Bridge.
32 ft
Floodwaters reach properties off Willow Street. Properties severely flooded along Front Street and around Bond Brook in downtown Augusta.
27 ft
Flood comparable to December of 2023. Transportation and utilities severely affected.
26 ft
Mount Vernon Avenue flooded if high flows present along Bond Brook.
25.5 ft
Flood waters impact the undercarriage of the Calamut Bridge in Augusta.
25 ft
Major flooding occurs. Northern Avenue flooded. Properties on Bond Street at the intersection with Water Street in Augusta flood from a combination of the Kennebec River and Bond Brook.
24 ft
Northern Avenue flooded. Water impacts the lower steel on the railroad bridge.
20 ft
Flood comparable to May of 2023.
17 ft
Moderate flooding occurs. Impacts expanding into multiple residential and commercial buildings along Front Street in downtown Augusta.
16 ft
Water reaches 2 feet deep in parking lots on Front Street.
14 ft
Water reaches 2 feet deep in parking lots on Front Street in Augusta.
12 ft
Minor flooding occurs. Water floods parking lots along Front Street in Augusta.
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 2, 1987 | 34.1 ft | — |
| Apr 2, 1987 | 34.1 ft | — |
| Mar 19, 1936 | 30.7 ft | — |
| Mar 19, 1936 | 30.7 ft | — |
| Dec 18, 2023 | 26.92 ft | — |
About This Gauge
USGS Site
NWS LID
ASTM1
River
Kennebec River
County
Kennebec, ME
Coordinates
44.3186°N, 69.7717°W
Get Flood Alerts for Kennebec 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 Kennebec River at Augusta?
The Kennebec River at Augusta gauge is maintained by USGS (site 01049320) 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 Kennebec River at Augusta?
The NWS-defined flood stage for Kennebec River at Augusta is 12 feet. Action stage begins at 10 feet. Moderate flooding starts at 17 feet, and major flooding at 25 feet.
How do I get alerts when Kennebec River rises?
Download StormCast free on Google Play, go to River Gauges, and add Kennebec River at Augusta 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 Kennebec River at Augusta gauge located?
The gauge is located in Kennebec County, Maine at coordinates 44.3186°N, 69.7717°W. USGS site number: 01049320. 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.