Van Stone Pit Lake Dam
Key Takeaway
Van Stone Pit Lake Dam is classified as high hazard in Washington. It was completed in 1999 and is 27 years old. Its primary use is tailings. 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 | 100 ft |
| Dam Type | Earth |
| Max Storage | 448 acre-ft |
| Normal Storage | 439 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 86 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | WA02033 |
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
Vaagen Bros.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Van Stone Pit Lake Dam?
Van Stone Pit Lake 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 Van Stone Pit Lake Dam?
Van Stone Pit Lake Dam is owned by Vaagen Bros. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Van Stone Pit Lake Dam built?
Van Stone Pit Lake Dam was completed in 1999, making it 27 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 Van Stone Pit Lake Dam?
Van Stone Pit Lake Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Van Stone Pit Lake Dam last inspected?
Van Stone Pit Lake Dam was last inspected on September 8, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.