North Lake West Dam
Key Takeaway
North Lake West Dam is classified as significant hazard in Alaska. It was completed in 1945 and is 81 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Length | 225 ft |
| Dam Type | Rockfill |
| Max Storage | 56 acre-ft |
| Normal Storage | 46 acre-ft |
| Max Discharge | 20 cfs |
| Year Completed | 1945 (81 years old) |
| NID ID | AK00106 |
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 Hazard 10 ftFrequently Asked Questions
What is the hazard classification of North Lake West Dam?
North Lake West 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 North Lake West Dam?
North Lake West Dam is owned by CITY OF ADAK (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was North Lake West Dam built?
North Lake West Dam was completed in 1945, making it 81 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 North Lake West Dam?
North Lake West 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 North Lake West Dam last inspected?
North Lake West Dam was last inspected on November 9, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.