Lake Alma Dam
Key Takeaway
Lake Alma Dam is classified as high hazard in Ohio. It was completed in 1902 and is 124 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 16 ft (taller than 15.8% in OH) |
| Dam Length | 1,500 ft |
| Dam Type | Earth |
| Max Storage | 490 acre-ft |
| Normal Storage | 340 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 137 cfs |
| Year Completed | 1902 (124 years old) |
| NID ID | OH00074 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ODNR, Division of Parks & Watercraft
State Government
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Lake Alma Dam?
Lake Alma Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lake Alma Dam?
Lake Alma Dam is owned by ODNR, Division of Parks & Watercraft (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Alma Dam built?
Lake Alma Dam was completed in 1902, making it 124 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 Lake Alma Dam?
Lake Alma Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake Alma Dam?
Lake Alma Dam has a dam height of 16 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 Lake Alma Dam last inspected?
Lake Alma Dam was last inspected on April 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.