Settling Pond No. 7
Key Takeaway
Settling Pond No. 7 is classified as low hazard in Wyoming. It was completed in 1982 and is 44 years old. Its primary use is other.
Physical Details
| Dam Height | 18 ft (taller than 17.2% in WY) |
| Dam Length | 660 ft |
| Dam Type | Earth |
| Normal Storage | 60 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 688 cfs |
| Year Completed | 1982 (44 years old) |
| NID ID | WY01855 |
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
THUNDER BASIN COAL COMPANY,LLC ATTN: ARK LAND
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Settling Pond No. 7?
Settling Pond No. 7 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 Settling Pond No. 7?
Settling Pond No. 7 is owned by THUNDER BASIN COAL COMPANY,LLC ATTN: ARK LAND (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Settling Pond No. 7 built?
Settling Pond No. 7 was completed in 1982, making it 44 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 Settling Pond No. 7?
Settling Pond No. 7 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Settling Pond No. 7?
Settling Pond No. 7 has a dam height of 18 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 Settling Pond No. 7 last inspected?
Settling Pond No. 7 was last inspected on September 28, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.