Timberlake No. 1 Dam

TRIBUTARY TO HELLBRANCH RUN· Franklin, Ohio· Earth· 48 ft tall
Significant Hazard Recreation Private

Key Takeaway

Timberlake No. 1 Dam is classified as significant hazard in Ohio. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 48 ft (taller than 90.2% in OH)
Dam Length300 ft
Dam TypeEarth
Max Storage172 acre-ft
Normal Storage108 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge726 cfs
NID IDOH00743

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: November 5, 2020
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Timber Lake Homeowners Association

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Timberlake No. 1 Dam?

Timberlake No. 1 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 Timberlake No. 1 Dam?

Timberlake No. 1 Dam is owned by Timber Lake Homeowners Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Timberlake No. 1 Dam?

Timberlake No. 1 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 Timberlake No. 1 Dam?

Timberlake No. 1 Dam has a dam height of 48 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 Timberlake No. 1 Dam last inspected?

Timberlake No. 1 Dam was last inspected on November 5, 2020. 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.