Graymont Sludge Lagoons
Key Takeaway
Graymont Sludge Lagoons 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 | 18 ft (taller than 21.5% in OH) |
| Dam Length | 7,083 ft |
| Dam Type | Earth |
| Max Storage | 934 acre-ft |
| Normal Storage | 772 acre-ft |
| Surface Area | 53 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1981 (45 years old) |
| NID ID | OH02980 |
Safety Information
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?
Ownership
Graymont Dolime (OH) Inc
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Graymont Sludge Lagoons?
Graymont Sludge Lagoons 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 Graymont Sludge Lagoons?
Graymont Sludge Lagoons is owned by Graymont Dolime (OH) Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Graymont Sludge Lagoons built?
Graymont Sludge Lagoons 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 Graymont Sludge Lagoons?
Graymont Sludge Lagoons 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 Graymont Sludge Lagoons?
Graymont Sludge Lagoons has a dam height of 18 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 Graymont Sludge Lagoons last inspected?
Graymont Sludge Lagoons was last inspected on October 31, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.