Cardinal Plant Ash Pond Dam

OFFSTREAM - OHIO RIVER· Jefferson, Ohio· Built 1974· Earth· 20 ft tall
Significant Hazard Tailings Public Utility

Key Takeaway

Cardinal Plant Ash Pond Dam is classified as significant hazard in Ohio. It was completed in 1974 and is 52 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 20 ft (taller than 27.7% in OH)
Dam Length4,700 ft
Dam TypeEarth
Max Storage453 acre-ft
Surface Area19 acres
Drainage Area0 sq mi
Year Completed1974 (52 years old)
NID IDOH03169

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 29, 2017
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Cardinal Operating Company

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cardinal Plant Ash Pond Dam?

Cardinal Plant Ash Pond 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 Cardinal Plant Ash Pond Dam?

Cardinal Plant Ash Pond Dam is owned by Cardinal Operating Company (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cardinal Plant Ash Pond Dam built?

Cardinal Plant Ash Pond Dam was completed in 1974, making it 52 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 Cardinal Plant Ash Pond Dam?

Cardinal Plant Ash Pond 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 Cardinal Plant Ash Pond Dam?

Cardinal Plant Ash Pond Dam has a dam height of 20 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 Cardinal Plant Ash Pond Dam last inspected?

Cardinal Plant Ash Pond Dam was last inspected on November 29, 2017. 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.