Dover Dam - Zoar Diversion Dam

TUSCARAWAS RIVER· Harrison, Ohio· Built 1937· Earth· 34 ft tall
High Hazard Flood Risk Reduction Federal Government

Key Takeaway

Dover Dam - Zoar Diversion Dam is classified as high hazard in Ohio. It was completed in 1937 and is 89 years old. Its primary use is flood risk reduction. 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 34 ft (taller than 71.7% in OH)
Dam Length250 ft
Dam TypeEarth
Max Discharge225 cfs
Year Completed1937 (89 years old)
NID IDOH00003

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: May 27, 2021
State Regulated: No

Ownership

USACE - Huntington District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dover Dam - Zoar Diversion Dam?

Dover Dam - Zoar Diversion 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 Dover Dam - Zoar Diversion Dam?

Dover Dam - Zoar Diversion Dam is owned by USACE - Huntington District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dover Dam - Zoar Diversion Dam built?

Dover Dam - Zoar Diversion Dam was completed in 1937, making it 89 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 Dover Dam - Zoar Diversion Dam?

Dover Dam - Zoar Diversion Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dover Dam - Zoar Diversion Dam?

Dover Dam - Zoar Diversion Dam has a dam height of 34 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 Dover Dam - Zoar Diversion Dam last inspected?

Dover Dam - Zoar Diversion Dam was last inspected on May 27, 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.