Lake Purdy Dam

LITTLE CAHABA RIVER· Shelby, Alabama· Built 1964· Earth·
High Hazard Flood Risk Reduction Water Supply Private

Key Takeaway

Lake Purdy Dam is classified as high hazard in Alabama. It was completed in 1964 and is 62 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length213 ft
Dam TypeEarth
Max Storage26.4K acre-ft
Normal Storage24.0K acre-ft
Year Completed1964 (62 years old)
NID IDAL01311

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: No

Ownership

BHAM MUN WATER SERV CORP

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Purdy Dam?

Lake Purdy Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Purdy Dam?

Lake Purdy Dam is owned by BHAM MUN WATER SERV CORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Purdy Dam built?

Lake Purdy Dam was completed in 1964, making it 62 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Lake Purdy Dam?

Lake Purdy Dam serves the following purposes: Flood Risk Reduction, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.