Lake Demarie Dam
Key Takeaway
Lake Demarie Dam is classified as significant hazard in Alaska. It was completed in 1951 and is 75 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 95 ft |
| Dam Type | Gravity |
| Max Storage | 2.1K acre-ft |
| Normal Storage | 1.6K acre-ft |
| Max Discharge | 5,000 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | AK00123 |
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 ADAK
Local Government
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Significant HazardFrequently Asked Questions
What is the hazard classification of Lake Demarie Dam?
Lake Demarie 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 Lake Demarie Dam?
Lake Demarie Dam is owned by CITY OF ADAK (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake Demarie Dam built?
Lake Demarie Dam was completed in 1951, making it 75 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 Demarie Dam?
Lake Demarie 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 Lake Demarie Dam last inspected?
Lake Demarie Dam was last inspected on November 9, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.