Fgd Effluent #4
Key Takeaway
Fgd Effluent #4 is classified as significant hazard in Wyoming. It was completed in 2010 and is 16 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 62 ft (taller than 96.4% in WY) |
| Dam Length | 55,500 ft |
| Dam Type | Earth |
| Max Storage | 1.6K acre-ft |
| Normal Storage | 1.4K acre-ft |
| Surface Area | 37 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 2010 (16 years old) |
| NID ID | WY02580 |
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
PACIFICORP
Private
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Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Fgd Effluent #4?
Fgd Effluent #4 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 Fgd Effluent #4?
Fgd Effluent #4 is owned by PACIFICORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Fgd Effluent #4 built?
Fgd Effluent #4 was completed in 2010, making it 16 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 Fgd Effluent #4?
Fgd Effluent #4 serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Fgd Effluent #4?
Fgd Effluent #4 has a dam height of 62 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Fgd Effluent #4 last inspected?
Fgd Effluent #4 was last inspected on August 18, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.