Caldwell Lake Dam
Key Takeaway
Caldwell Lake Dam is classified as high hazard in Ohio. It was completed in 1937 and is 89 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 | 36 ft (taller than 76% in OH) |
| Dam Length | 445 ft |
| Dam Type | Earth |
| Max Storage | 181 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3,741 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | OH00023 |
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 27 ftFrequently Asked Questions
What is the hazard classification of Caldwell Lake Dam?
Caldwell Lake 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 Caldwell Lake Dam?
Caldwell Lake 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 Caldwell Lake Dam built?
Caldwell Lake Dam was completed in 1937, making it 89 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 Caldwell Lake Dam?
Caldwell Lake 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 Caldwell Lake Dam?
Caldwell Lake Dam has a dam height of 36 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 Caldwell Lake Dam last inspected?
Caldwell Lake Dam was last inspected on October 25, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.