Rattlesnake Dam

Rattlesnake Dam is an earth dam located in Walker County, Alabama, built in 1979. It carries a Significant hazard potential classification.

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.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
Significant HazardNot Rated ConditionEmergency Action Plan: No

Location

StateAlabama
CountyWalker
Nearest CityAlabama Power Plant
River/StreamTr-mulberry Fork
Coordinates33.64000, -87.18500

Physical Characteristics

Dam TypeEarth
NID Height145 ft
Dam Length1,300 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage3,120 acre-ft
Max Storage3,120 acre-ft
Normal Storage3,120 acre-ft
Max Discharge784 cfs

Ownership & Safety

PurposeOther
OwnerALABAMA POWER COMPANY
Owner TypePublic Utility
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Emergency Action PlanNo

Identifiers

NID IDAL01622
Federal IDAL01622
More InfoState Dam Safety Program