Powell Lake Dam

TR-SHOAL CREEK· Gwinnett, Georgia· Built 1968· Earth· 23 ft tall
Low Hazard Recreation Private

Key Takeaway

Powell Lake Dam is classified as low hazard in Georgia. It was completed in 1968 and is 58 years old. Its primary use is recreation.

Physical Details

Dam Height 23 ft (taller than 50.8% in GA)
Dam Length345 ft
Dam TypeEarth
Max Storage59 acre-ft
Surface Area5 acres
Drainage Area364 sq mi
Year Completed1968 (58 years old)
NID IDGA00570

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Powell, R.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Powell Lake Dam?

Powell Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Powell Lake Dam?

Powell Lake Dam is owned by Powell, R. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Powell Lake Dam built?

Powell Lake Dam was completed in 1968, making it 58 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 Powell Lake Dam?

Powell Lake Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Powell Lake Dam?

Powell Lake Dam has a dam height of 23 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

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.