RIVER GAUGE · COOSA RIVER
Coosa River at Logan Martin Dam
St. Clair County, Alabama
Water level463.81 ft
Flow—
Last readingSep 16, 2026, 4:00 PM UTC (last recorded)
Action465.5 ft
Minor flood467 ft
Moderate flood470 ft
Major flood475 ft
The past week
Loading chart…
What floods at each level
- 475 ft
Extensive lakeside flooding occurs. Many access roads flood...as well as many permanent residences.
- 473.5 ft
Some flooding of permanent structures occurs around the lake.
- 467 ft
Flooding of some boathouses and docks around the lake occurs.
- 465.5 ft
Some minor flooding of lakeside property...including piers and boat ramps...occurs.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Apr 5, 1977 | 475.31 ft | — |
| Feb 18, 1990 | 473.05 ft | — |
| Mar 18, 1980 | 472.61 ft | — |
When the water runs low
- 453.5 Ft
Bottom of conservation pool.
More on Coosa River
UpstreamCoosa River at Neely Henry Dam ↗
DownstreamCoosa River at Childersburg
Get an alert when Coosa River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.
