Thomas Lake Dam

TRIBUTARY TO LITTLE YANKEE RUN· Trumbull, Ohio· Built 1973· Earth· 15 ft tall
Significant Hazard Recreation Private

Key Takeaway

Thomas Lake Dam is classified as significant hazard in Ohio. It was completed in 1973 and is 53 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 15 ft (taller than 12.4% in OH)
Dam Length395 ft
Dam TypeEarth
Max Storage35 acre-ft
Normal Storage30 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge15 cfs
Year Completed1973 (53 years old)
NID IDOH02496

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: October 12, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

George P. & Marilyn Thomas

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thomas Lake Dam?

Thomas Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Thomas Lake Dam?

Thomas Lake Dam is owned by George P. & Marilyn Thomas (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thomas Lake Dam built?

Thomas Lake Dam was completed in 1973, making it 53 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 Thomas Lake Dam?

Thomas 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 Thomas Lake Dam?

Thomas 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 Thomas Lake Dam last inspected?

Thomas Lake Dam was last inspected on October 12, 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.