Forty Acre Pond Dam
Key Takeaway
Forty Acre Pond Dam is classified as low hazard in Ohio. It was completed in 1840 and is 186 years old. Its primary use is recreation.
Physical Details
| Dam Height | 15 ft (taller than 12.4% in OH) |
| Dam Length | 11,100 ft |
| Dam Type | Earth |
| Max Storage | 492 acre-ft |
| Normal Storage | 271 acre-ft |
| Surface Area | 68 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 809 cfs |
| Year Completed | 1840 (186 years old) |
| NID ID | OH00582 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
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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Significant Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Forty Acre Pond Dam?
Forty Acre Pond Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Forty Acre Pond Dam?
Forty Acre Pond 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 Forty Acre Pond Dam built?
Forty Acre Pond Dam was completed in 1840, making it 186 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 Forty Acre Pond Dam?
Forty Acre Pond 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 Forty Acre Pond Dam?
Forty Acre Pond Dam has a dam height of 15 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 Forty Acre Pond Dam last inspected?
Forty Acre Pond Dam was last inspected on October 2, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.