Rattlesnake Dam is an earth dam located in Walker County, Alabama, built in 1979. It carries a Significant hazard potential classification.
Dam profile
NID height · 145 ft145 ft tall and 1,300 ft long, taller than 99% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Rattlesnake Dam
Rattlesnake Dam is a dam in Walker, Alabama. The dam is owned by Alabama Power Company (public utility). It impounds the Tr-mulberry Fork near Alabama Power Plant.
The dam stands 145 feet tall and stretches 1,300 feet across, and has a maximum storage capacity of 3,120 acre-feet. Completed in 1979, the structure is 47 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
At 145 feet, this dam is taller than 99% of all dams in the United States.
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Location
| State | Alabama |
| County | Walker |
| Nearest City | Alabama Power Plant |
| River/Stream | Tr-mulberry Fork |
| Coordinates | 33.64000, -87.18500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 145 ft |
| Dam Length | 1,300 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 3,120 acre-ft |
| Max Storage | 3,120 acre-ft |
| Normal Storage | 3,120 acre-ft |
| Max Discharge | 784 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Alabama Power Company |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | AL01622 |
| Federal ID | AL01622 |
| More Info | ASDSO on Alabama (no state dam safety program) |