Leeth Lake Dam

TRIBUTARY TO UPPER TWIN CREEK· Ross, Ohio· Built 1965· Earth· 42 ft tall
Significant Hazard Recreation Private

Key Takeaway

Leeth Lake Dam is classified as significant hazard in Ohio. It was completed in 1965 and is 61 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 42 ft (taller than 85.4% in OH)
Dam Length550 ft
Dam TypeEarth
Max Storage98 acre-ft
Normal Storage67 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge36 cfs
Year Completed1965 (61 years old)
NID IDOH00957

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: May 8, 2018
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Melanie Miller

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Leeth Lake Dam?

Leeth 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 Leeth Lake Dam?

Leeth Lake Dam is owned by Melanie Miller (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Leeth Lake Dam built?

Leeth Lake Dam was completed in 1965, making it 61 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 Leeth Lake Dam?

Leeth 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 Leeth Lake Dam?

Leeth Lake Dam has a dam height of 42 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 Leeth Lake Dam last inspected?

Leeth Lake Dam was last inspected on May 8, 2018. 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.