Tycoon Lake Dam

TRIBUTARY TO RACCOON CREEK· Gallia, Ohio· Built 1961· Earth· 29 ft tall
High Hazard Recreation State Government

Key Takeaway

Tycoon Lake Dam is classified as high hazard in Ohio. It was completed in 1961 and is 65 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 29 ft (taller than 58% in OH)
Dam Length1,460 ft
Dam TypeEarth
Max Storage4.1K acre-ft
Normal Storage2.4K acre-ft
Surface Area176 acres
Drainage Area2 sq mi
Max Discharge1,303 cfs
Year Completed1961 (65 years old)
NID IDOH00283

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: November 8, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

ODNR, Division of Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tycoon Lake Dam?

Tycoon 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 Tycoon Lake Dam?

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

When was Tycoon Lake Dam built?

Tycoon Lake Dam was completed in 1961, making it 65 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 Tycoon Lake Dam?

Tycoon 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 Tycoon Lake Dam?

Tycoon Lake Dam has a dam height of 29 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 Tycoon Lake Dam last inspected?

Tycoon Lake Dam was last inspected on November 8, 2021. 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.