Longeway Dam
Key Takeaway
Longeway Dam is classified as low hazard in Washington. It was completed in 1970 and is 56 years old. Its primary use is recreation.
Physical Details
| Dam Length | 110 ft |
| Dam Type | Earth |
| Max Storage | 80 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 100 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | WA00668 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Hunter, Mari Simone
Private
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Significant HazardFrequently Asked Questions
What is the hazard classification of Longeway Dam?
Longeway Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Longeway Dam?
Longeway Dam is owned by Hunter, Mari Simone (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Longeway Dam built?
Longeway Dam was completed in 1970, making it 56 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 Longeway Dam?
Longeway Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.