Lake "O" The Hills
Key Takeaway
Lake "O" The Hills is classified as high hazard in Alaska. It was completed in 1975 and is 51 years old. Its primary use is other. 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 | 13 ft (taller than 18.8% in AK) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 250 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | AK00034 |
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 O' THE HILLS EAST HOME OWNERS ASSOCIATION
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Lake "O" The Hills?
Lake "O" The Hills 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 "O" The Hills?
Lake "O" The Hills is owned by LAKE O' THE HILLS EAST HOME OWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake "O" The Hills built?
Lake "O" The Hills was completed in 1975, making it 51 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 "O" The Hills?
Lake "O" The Hills serves the following purposes: Other, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Lake "O" The Hills?
Lake "O" The Hills has a dam height of 13 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 "O" The Hills last inspected?
Lake "O" The Hills was last inspected on May 20, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.