Dillon Dam

LICKING RIVER· Muskingum, Ohio· Built 1960· Earth·

High Hazard Flood Risk Reduction Fish And Wildlife Pond Recreation Federal Government

Key Takeaway

Dillon Dam is classified as high hazard in Ohio. It was completed in 1960 and is 66 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 Length	1,400 ft
Dam Type	Earth
Max Storage	274.0K acre-ft
Normal Storage	17.5K acre-ft

Surface Area	1,560 acres
Drainage Area	742 sq mi
Max Discharge	89,700 cfs
Year Completed	1960 (66 years old)
NID ID	OH00007

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: September 10, 2019

State Regulated: No

Ownership

USACE - Huntington District

Federal Government

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Lakeview Dam

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Slaughter Lake Dam

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Mcmillan Lake Dam

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Deer Lake Dam

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Muskingum River Lock and Dam No. 11

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Zanesville State Nursery Lake Dam

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Frequently Asked Questions

What is the hazard classification of Dillon Dam?

Dillon 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 Dillon Dam?

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

When was Dillon Dam built?

Dillon Dam was completed in 1960, making it 66 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 Dillon Dam?

Dillon Dam serves the following purposes: Flood Risk Reduction, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Dillon Dam last inspected?

Dillon Dam was last inspected on September 10, 2019. 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.