Hydaburg Dam
Key Takeaway
Hydaburg Dam is classified as significant hazard in Alaska. It was completed in 1939 and is 87 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 85 ft |
| Dam Type | Other |
| Max Storage | 8 acre-ft |
| Normal Storage | 8 acre-ft |
| Max Discharge | 100 cfs |
| Year Completed | 1939 (87 years old) |
| NID ID | AK00120 |
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
CITY OF HYDABURG
Local Government
Frequently Asked Questions
What is the hazard classification of Hydaburg Dam?
Hydaburg 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 Hydaburg Dam?
Hydaburg Dam is owned by CITY OF HYDABURG (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hydaburg Dam built?
Hydaburg Dam was completed in 1939, making it 87 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 Hydaburg Dam?
Hydaburg 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.
When was Hydaburg Dam last inspected?
Hydaburg Dam was last inspected on August 7, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.