Lake Mokoma
Key Takeaway
Lake Mokoma is classified as high hazard in Pennsylvania. It was completed in 1890 and is 136 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 32.5% in PA) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 1.4K acre-ft |
| Normal Storage | 843 acre-ft |
| Surface Area | 110 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1890 (136 years old) |
| NID ID | PA00359 |
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
LAKE MOKOMA ASSOCIATION
Private
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What is the hazard classification of Lake Mokoma?
Lake Mokoma 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 Mokoma?
Lake Mokoma is owned by LAKE MOKOMA ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Mokoma built?
Lake Mokoma was completed in 1890, making it 136 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 Mokoma?
Lake Mokoma 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 Lake Mokoma?
Lake Mokoma 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 Mokoma last inspected?
Lake Mokoma was last inspected on December 12, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.