Lake Logan Dam

CLEAR FORK· Hocking, Ohio· Built 1954· Earth· 43 ft tall
High Hazard Recreation State Government

Key Takeaway

Lake Logan Dam is classified as high hazard in Ohio. It was completed in 1954 and is 72 years old. 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 43 ft (taller than 86.7% in OH)
Dam Length1,100 ft
Dam TypeEarth
Max Storage9.5K acre-ft
Normal Storage3.0K acre-ft
Surface Area340 acres
Drainage Area14 sq mi
Max Discharge24,510 cfs
Year Completed1954 (72 years old)
NID IDOH00260

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: May 23, 2022
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

ODNR, Division of Parks & Watercraft

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Logan Dam?

Lake Logan 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 Logan Dam?

Lake Logan Dam is owned by ODNR, Division of Parks & Watercraft (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Logan Dam built?

Lake Logan Dam was completed in 1954, making it 72 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 Logan Dam?

Lake Logan 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 Lake Logan Dam?

Lake Logan Dam has a dam height of 43 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 Lake Logan Dam last inspected?

Lake Logan Dam was last inspected on May 23, 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.