Roycroft Lake
Key Takeaway
Roycroft Lake is classified as significant hazard in Alaska. It was completed in 1979 and is 47 years old. Its primary use is hydroelectric. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 7 ft (taller than 4.7% in AK) |
| Dam Length | 314 ft |
| Dam Type | Earth |
| Max Storage | 4 acre-ft |
| Normal Storage | 0 acre-ft |
| Year Completed | 1979 (47 years old) |
| NID ID | AK00082 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
ESTES BROS. INC.
Private
Frequently Asked Questions
What is the hazard classification of Roycroft Lake?
Roycroft Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Roycroft Lake?
Roycroft Lake is owned by ESTES BROS. INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Roycroft Lake built?
Roycroft Lake was completed in 1979, making it 47 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 Roycroft Lake?
Roycroft Lake serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Roycroft Lake?
Roycroft Lake has a dam height of 7 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 Roycroft Lake last inspected?
Roycroft Lake was last inspected on May 28, 1980. Inspection dates indicate when a formal review occurred, not the results of that inspection.