Amann Reservoir Upper Dam
Key Takeaway
Amann Reservoir Upper Dam is classified as significant hazard in Ohio. It was completed in 1964 and is 62 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 33.3% in OH) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 220 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 5,111 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | OH02903 |
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
Nearby Dams
Amick Upground Reservoir
Morrow, OH
High Hazard 40 ftAmann Reservoir Dam
Morrow, OH
Significant Hazard 32 ftPowers Upground Reservoir
Crawford, OH
High Hazard 28 ftLake Galion Dam
Crawford, OH
Low Hazard 15 ftBig Pine Lake Dam
Crawford, OH
Low Hazard 28 ftCandlewood Lake Dam
Morrow, OH
High Hazard 58 ftHarding Area Council Bsa Dam
Morrow, OH
Low Hazard 31 ftDogwood Valley Camp Lake Dam
Morrow, OH
Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Amann Reservoir Upper Dam?
Amann Reservoir Upper 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 Upper Dam?
Amann Reservoir Upper 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 Upper Dam built?
Amann Reservoir Upper Dam was completed in 1964, making it 62 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 Upper Dam?
Amann Reservoir Upper Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Amann Reservoir Upper Dam?
Amann Reservoir Upper Dam has a dam height of 22 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 Upper Dam last inspected?
Amann Reservoir Upper Dam was last inspected on December 8, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.