Zion Lake Dam

JOCKEY HOLLOW RUN· Harrison, Ohio· Built 1963· Earth· 37 ft tall
Low Hazard Tailings Private

Key Takeaway

Zion Lake Dam is classified as low hazard in Ohio. It was completed in 1963 and is 63 years old. Its primary use is tailings.

Physical Details

Dam Height 37 ft (taller than 77.9% in OH)
Dam Length650 ft
Dam TypeEarth
Max Storage382 acre-ft
Normal Storage220 acre-ft
Surface Area24 acres
Drainage Area2 sq mi
Max Discharge1,350 cfs
Year Completed1963 (63 years old)
NID IDOH00873

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: August 11, 2020
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Zion Foundation

Private

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Georgetown Plant Lower Supply Pond Dam

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Sally Buffalo Park Lake No. 2 Dam

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Sally Buffalo Park Lake Dam

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Sally Buffalo Park Lake No. 4 Dam

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Dickerson Slurry No. 3 Dam

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Frequently Asked Questions

What is the hazard classification of Zion Lake Dam?

Zion Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Zion Lake Dam?

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

When was Zion Lake Dam built?

Zion Lake Dam was completed in 1963, making it 63 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 Zion Lake Dam?

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

How tall is Zion Lake Dam?

Zion Lake Dam has a dam height of 37 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 Zion Lake Dam last inspected?

Zion Lake Dam was last inspected on August 11, 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.