Amann Reservoir Dam
Key Takeaway
Amann Reservoir Dam is classified as significant hazard in Ohio. It was completed in 1904 and is 122 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 32 ft (taller than 67.5% in OH) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 262 acre-ft |
| Normal Storage | 134 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 5,412 cfs |
| Year Completed | 1904 (122 years old) |
| NID ID | OH00687 |
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
City of Galion
Local Government
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Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Amann Reservoir Dam?
Amann Reservoir 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 Amann Reservoir Dam?
Amann Reservoir Dam is owned by City of Galion (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Amann Reservoir Dam built?
Amann Reservoir Dam was completed in 1904, making it 122 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 Amann Reservoir Dam?
Amann Reservoir Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Amann Reservoir Dam?
Amann Reservoir Dam has a dam height of 32 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 Amann Reservoir Dam last inspected?
Amann Reservoir Dam was last inspected on December 8, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.