Lummi Island Estates Dam
Key Takeaway
Lummi Island Estates Dam is classified as high hazard in Washington. It was completed in 1963 and is 63 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Length | 250 ft |
| Dam Type | Earth |
| Max Storage | 67 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 35 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | WA00184 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Lummi Island Scenic Estates
Private
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High HazardFrequently Asked Questions
What is the hazard classification of Lummi Island Estates Dam?
Lummi Island Estates Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Lummi Island Estates Dam?
Lummi Island Estates Dam is owned by Lummi Island Scenic Estates (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lummi Island Estates Dam built?
Lummi Island Estates Dam was completed in 1963, making it 63 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 Lummi Island Estates Dam?
Lummi Island Estates Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Lummi Island Estates Dam last inspected?
Lummi Island Estates Dam was last inspected on October 1, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.