Coosa River at Mayos Bar Lock and Dam near Rome
Flood levels
Official flood levels at this gauge: action stage begins at 21.0 ft; minor flooding begins at 24.0 ft; moderate flooding begins at 31.0 ft; major flooding begins at 35.0 ft.
| Action stage | 21.0 ft |
|---|---|
| Minor flooding | 24.0 ft |
| Moderate flooding | 31.0 ft |
| Major flooding | 35.0 ft |
Highest recorded crests
- 43.0 ft on Apr 1, 1886 (historic crest)
- 37.0 ft on Jan 22, 1947 (historic crest)
- 37.0 ft on Dec 30, 1932 (historic crest)
- 36.9 ft on Apr 8, 1936 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 21.0 ft | Bankfull conditions are reached along the river upstream and downstream from the gage on the old Lock and Dam behind the Trading Post. |
|---|---|
| 24.0 ft | Minor flooding begins of the woodlands...fields and pastures along the river upstream and downstream from the gage on the old Lock and Dam behind the Trading Post. The boat ramp will be mostly under water at the Lock and Dam park. |
| 26.0 ft | Minor flooding continues in the woodlands...fields and pastures along the river upstream and downstream from the gage on the old Lock and Dam behind the Trading Post. The boat ramp will be completely under water at Lock and Dam park. |
| 29.0 ft | Minor flooding continues to expand further into the woodlands...fields and pastures along the river upstream and downstream from the gage on the old Lock and Dam behind the Trading Post. The water will reach the top of the old Lock and Dam structure. |
| 31.0 ft | Moderate flooding begins. Significant flooding occurs in the woodlands...fields and pastures along the river upstream and downstream from the gage on the old Lock and Dam behind the Trading Post. The old Lock and Dam structure will be under two feet of water. Flood waters will reach low portions of the large parking lot and approach a picnic table pavilion. The side yard of a home off of Blacks Bluff Road will be flooded. |
| 33.0 ft | Significant flooding continues to expand further into the woodlands...fields and pastures along the river upstream and downstream from the gage on the old Lock and Dam behind the Trading Post. The old Lock and Dam structure will be under 4 feet of water. Flood waters around one foot deep will cover a large portion of the parking lot...a picnic table pavilion and campground areas. A home off of Blacks Bluff Road will be surrounded by flood waters. |
| 35.0 ft | Major flooding begins. Widespread inundation flooding occurs along the river upstream and downstream from the gage on the old Lock and Dam behind the Trading Post. Flood waters will completely cover the large parking lot...a picnic table pavilion...campground areas and Lock and Dam Road. A home off of Blacks Bluff Road will begin to flood. The water level will reach the bottom of the USGS gage house with a possible data transmission loss. |
| 37.0 ft | Major flooding occurs with widespread inundation flooding along the river upstream and downstream from the gage on the old Lock and Dam behind the Trading Post. Flood waters will completely cover the large parking lot...picnic table pavilion...campground areas and the Lock and Dam Road from 2 to 6 feet deep. A home off of Blacks Bluff Road will be flooded one to two feet deep. The water level will be two feet deep in the USGS gage house with a loss of data transmission. |
Forecast office: NWS Peachtree City · River Forecast Center: Southeast River Forecast Center.
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