Waterloo Coal Double-Cell Slurry Dam

TRIBUTARY TO CACKLEY SWAMP· Jackson, Ohio· Built 1981· Earth· 34 ft tall
Significant Hazard Tailings Private

Key Takeaway

Waterloo Coal Double-Cell Slurry Dam is classified as significant hazard in Ohio. It was completed in 1981 and is 45 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 34 ft (taller than 71.7% in OH)
Dam Length2,050 ft
Dam TypeEarth
Max Storage168 acre-ft
Normal Storage135 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge57 cfs
Year Completed1981 (45 years old)
NID IDOH01824

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: No
Last Inspection: April 27, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Jackson Grandview Builders, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Waterloo Coal Double-Cell Slurry Dam?

Waterloo Coal Double-Cell Slurry 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 Waterloo Coal Double-Cell Slurry Dam?

Waterloo Coal Double-Cell Slurry Dam is owned by Jackson Grandview Builders, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Waterloo Coal Double-Cell Slurry Dam built?

Waterloo Coal Double-Cell Slurry Dam was completed in 1981, making it 45 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 Waterloo Coal Double-Cell Slurry Dam?

Waterloo Coal Double-Cell Slurry 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 Waterloo Coal Double-Cell Slurry Dam?

Waterloo Coal Double-Cell Slurry 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 Waterloo Coal Double-Cell Slurry Dam last inspected?

Waterloo Coal Double-Cell Slurry Dam was last inspected on April 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.