Dawn Mines Evaporation Pond 6
Key Takeaway
Dawn Mines Evaporation Pond 6 is classified as high hazard in Washington. It was completed in 2013 and is 13 years old. Its primary use is other. 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 | 2,700 ft |
| Dam Type | Earth |
| Max Storage | 150 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 30 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2013 (13 years old) |
| Year Modified | 2013 |
| NID ID | WA00732 |
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
Dawn Mining Company LLC
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Dawn Mines Evaporation Pond 6?
Dawn Mines Evaporation Pond 6 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 Dawn Mines Evaporation Pond 6?
Dawn Mines Evaporation Pond 6 is owned by Dawn Mining Company LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dawn Mines Evaporation Pond 6 built?
Dawn Mines Evaporation Pond 6 was completed in 2013, making it 13 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 Dawn Mines Evaporation Pond 6?
Dawn Mines Evaporation Pond 6 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
When was Dawn Mines Evaporation Pond 6 last inspected?
Dawn Mines Evaporation Pond 6 was last inspected on June 1, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.