O'Neal Lake Dam
Key Takeaway
O'Neal Lake Dam is classified as low hazard in Michigan. It was completed in 1954 and is 72 years old. Its primary use is recreation.
Physical Details
| Dam Height | 10 ft (taller than 20.5% in MI) |
| Dam Length | 160 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 500 acre-ft |
| Surface Area | 138 acres |
| Drainage Area | 8 sq mi |
| Year Completed | 1954 (72 years old) |
| NID ID | MI00033 |
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
MDNR Parks & Recreation
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of O'Neal Lake Dam?
O'Neal Lake 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 O'Neal Lake Dam?
O'Neal Lake Dam is owned by MDNR Parks & Recreation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was O'Neal Lake Dam built?
O'Neal Lake Dam was completed in 1954, making it 72 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 O'Neal Lake Dam?
O'Neal 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 O'Neal Lake Dam?
O'Neal Lake Dam has a dam height of 10 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 O'Neal Lake Dam last inspected?
O'Neal Lake Dam was last inspected on October 12, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.