Rivers in Maine
Kennebec River at Augusta
Below flood stage
2.57ftStage
Observed Mon, Sep 21, 10:42 PM EDT
- Flood stage
- 12.00 ft
- Record crest
- 34.10 ft1987
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 25.00 ft |
| Moderate flood | 17.00 ft |
| Minor flood | 12.00 ft |
| Action | 10.00 ft |
- 37.70 ftA level more than 3 feet higher than any known flood. Unprecedented flooding with water near the base of Memorial Bridge.
- 34.00 ftComparable to the historic flood level reached in April 1987. Properties severely flooded along Front Street. Water rises up to Calumet Bridge.
- 32.00 ftFloodwaters reach properties off Willow Street. Properties severely flooded along Front Street and around Bond Brook in downtown Augusta.
- 27.00 ftFlood comparable to December of 2023. Transportation and utilities severely affected.
- 26.00 ftMount Vernon Avenue flooded if high flows present along Bond Brook.
- 25.50 ftFlood waters impact the undercarriage of the Calamut Bridge in Augusta.
- 25.00 ftMajor 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.
- 24.00 ftNorthern Avenue flooded. Water impacts the lower steel on the railroad bridge.
- 20.00 ftFlood comparable to May of 2023.
- 17.00 ftModerate flooding occurs. Impacts expanding into multiple residential and commercial buildings along Front Street in downtown Augusta.
- 16.00 ftWater reaches 2 feet deep in parking lots on Front Street.
- 14.00 ftWater reaches 2 feet deep in parking lots on Front Street in Augusta.
- 12.00 ftMinor flooding occurs. Water floods parking lots along Front Street in Augusta.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 6% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 14, 2026.
Crest history
53 crests on NOAA’s list since 1936.
| # | Date | Stage |
|---|---|---|
| 1 | April 2, 1987 | 34.10 ft |
| 2 | March 20, 1936 | 30.70 ft |
| 3 | December 19, 2023 | 26.92 ft |
| 4 | May 2, 2023 | 20.38 ft |
| 5 | January 13, 2018 | 19.58 ft |
| 6 | April 4, 2005 | 18.83 ft |
| 7 | April 19, 2007 | 18.80 ft |
| 8 | April 4, 2005 | 18.80 ft |
| 9 | April 12, 1993 | 18.50 ft |
| 10 | April 29, 2005 | 18.50 ft |
| 11 | April 30, 2008 | 18.42 ft |
| 12 | December 19, 2003 | 18.39 ft |
| 13 | April 18, 1993 | 18.00 ft |
| 14 | April 17, 1994 | 18.00 ft |
| 15 | January 29, 1996 | 17.70 ft |
| 16 | April 16, 2014 | 17.43 ft |
| 17 | May 27, 2005 | 17.40 ft |
| 18 | April 14, 2024 | 16.76 ft |
| 19 | April 2, 1998 | 16.50 ft |
| 20 | June 15, 1998 | 16.00 ft |
| 21 | October 16, 2005 | 15.90 ft |
| 22 | January 21, 1996 | 15.50 ft |
| 23 | December 3, 1996 | 15.30 ft |
| 24 | March 29, 2000 | 15.30 ft |
| 25 | July 15, 1996 | 15.20 ft |
Most recent crests
- April 14, 2024: 16.76 ft
- March 8, 2024: 13.51 ft
- December 19, 2023: 26.92 ft
- May 2, 2023: 20.38 ft
- December 24, 2022: 13.29 ft
- December 2, 2020: 14.10 ft
- April 21, 2019: 14.16 ft
- January 13, 2018: 19.58 ft
- April 12, 2017: 13.46 ft
- February 17, 2016: 14.35 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Northeast River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. Stage may be affected by ice.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.