Cooper Valley LLC Dam

TRIBUTARY TO McINTYRE CREEK· Jefferson, Ohio· Built 1963· Earth· 42 ft tall
Significant Hazard Tailings Private

Key Takeaway

Cooper Valley LLC Dam is classified as significant hazard in Ohio. It was completed in 1963 and is 63 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 42 ft (taller than 85.4% in OH)
Dam Length465 ft
Dam TypeEarth
Max Storage48 acre-ft
Normal Storage29 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge8 cfs
Year Completed1963 (63 years old)
NID IDOH00863

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: May 16, 2019
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Cooper Valley LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cooper Valley LLC Dam?

Cooper Valley LLC 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 Cooper Valley LLC Dam?

Cooper Valley LLC Dam is owned by Cooper Valley LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cooper Valley LLC Dam built?

Cooper Valley LLC 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 Cooper Valley LLC Dam?

Cooper Valley LLC 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 Cooper Valley LLC Dam?

Cooper Valley LLC Dam has a dam height of 42 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 Cooper Valley LLC Dam last inspected?

Cooper Valley LLC Dam was last inspected on May 16, 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.