Westville Lake Dam

NAYLOR DITCH· Columbiana, Ohio· Built 1912· Earth· 29 ft tall
Significant Hazard Recreation Water Supply Local Government

Key Takeaway

Westville Lake Dam is classified as significant hazard in Ohio. It was completed in 1912 and is 114 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 29 ft (taller than 58% in OH)
Dam Length600 ft
Dam TypeEarth
Max Storage1.0K acre-ft
Normal Storage609 acre-ft
Surface Area77 acres
Drainage Area8 sq mi
Max Discharge3,296 cfs
Year Completed1912 (114 years old)
NID IDOH00333

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: Yes
Last Inspection: November 17, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

City of Alliance

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Westville Lake Dam?

Westville 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 Westville Lake Dam?

Westville Lake Dam is owned by City of Alliance (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Westville Lake Dam built?

Westville Lake Dam was completed in 1912, making it 114 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 Westville Lake Dam?

Westville Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Westville Lake Dam?

Westville 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 Westville Lake Dam last inspected?

Westville Lake Dam was last inspected on November 17, 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.