Cabin Creek Dam
Key Takeaway
Cabin Creek Dam is classified as significant hazard in Alaska. It was completed in 1996 and is 30 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 38 ft (taller than 64.7% in AK) |
| Dam Length | 248 ft |
| Dam Type | Rockfill |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 660 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 3,100 cfs |
| Year Completed | 1996 (30 years old) |
| NID ID | AK00214 |
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
PETERSBURG BOROUGH
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Cabin Creek Dam?
Cabin Creek Dam 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 Cabin Creek Dam?
Cabin Creek Dam is owned by PETERSBURG BOROUGH (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cabin Creek Dam built?
Cabin Creek Dam was completed in 1996, making it 30 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 Cabin Creek Dam?
Cabin Creek Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cabin Creek Dam?
Cabin Creek Dam has a dam height of 38 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 Cabin Creek Dam last inspected?
Cabin Creek Dam was last inspected on September 17, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.