Johnson Lake Dam

BRADLEY MILL BRANCH· Aiken, South Carolina· Built 1958· 15 ft tall
Low Hazard Other Recreation Private

Key Takeaway

Johnson Lake Dam is classified as low hazard in South Carolina. It was completed in 1958 and is 68 years old. Its primary use is other.

Physical Details

Dam Height 15 ft (taller than 23.6% in SC)
Max Storage99 acre-ft
Normal Storage62 acre-ft
Surface Area20 acres
Year Completed1958 (68 years old)
NID IDSC01303

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
Last Inspection: August 10, 2017
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

SUMMER LAKES AND WILDWOOD LAKE HOMEOWNERS ASSOCIATION INC

Private

Nearby Dams

Wildwood Lake Dam

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Julia Dubose Pond Dam

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Reynolds Pond Dam

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Significant Hazard 17 ft

Copley Pond Dam

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Robert E Kirby Pond Dam

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High Hazard 22 ft

Fox Haven Subdivision Dam

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Wilson/Brantley Dam

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Low Hazard 18 ft

Camp Long Lake Dam

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Frequently Asked Questions

What is the hazard classification of Johnson Lake Dam?

Johnson 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 Johnson Lake Dam?

Johnson Lake Dam is owned by SUMMER LAKES AND WILDWOOD LAKE HOMEOWNERS ASSOCIATION INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Johnson Lake Dam built?

Johnson Lake Dam was completed in 1958, making it 68 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 Johnson Lake Dam?

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

How tall is Johnson Lake Dam?

Johnson Lake Dam has a dam height of 15 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 Johnson Lake Dam last inspected?

Johnson Lake Dam was last inspected on August 10, 2017. 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.