Johnsons Lake Dam

TOWN CREEK· Aiken, South Carolina· 18 ft tall
High Hazard Recreation Private

Key Takeaway

Johnsons Lake Dam is classified as high hazard in South Carolina. Its primary use is recreation. 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 Height 18 ft (taller than 37.9% in SC)
Max Storage218 acre-ft
Normal Storage175 acre-ft
Surface Area39 acres
NID IDSC02267

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: Yes
Last Inspection: July 20, 2022
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

JOHNSON LAKE ESTATES PROPERTY OWNERS ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Johnsons Lake Dam?

Johnsons Lake 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 Johnsons Lake Dam?

Johnsons Lake Dam is owned by JOHNSON LAKE ESTATES PROPERTY OWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Johnsons Lake Dam?

Johnsons 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 Johnsons Lake Dam?

Johnsons Lake Dam has a dam height of 18 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.

When was Johnsons Lake Dam last inspected?

Johnsons Lake Dam was last inspected on July 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.