Mine No 84 - Pond 6 Main
Key Takeaway
Mine No 84 - Pond 6 Main is classified as high hazard in Pennsylvania. It was completed in 1980 and is 46 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 Height | 185 ft (taller than 98.8% in PA) |
| Dam Length | 2,900 ft |
| Dam Type | Earth |
| Max Storage | 6.6K acre-ft |
| Normal Storage | 6.1K acre-ft |
| Surface Area | 86 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1980 (46 years old) |
| NID ID | PA01145 |
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
WASHINGTON COUNTY COAL COMPANY
Private
Nearby Dams
Mine No 84 - Pond 6 East Dike
Washington, PA
High Hazard 10 ftMine No 84 - Pond 6 West Dike
Washington, PA
High Hazard 26 ftPond 22
Washington, PA
High Hazard 1 ftMine No 84 - Pond 7
Washington, PA
Significant Hazard 36 ftSedimentation Pond No. 8a
Washington, PA
Low Hazard 25 ftSteel
Washington, PA
Low Hazard 15 ftSmith and Ponzo
Washington, PA
Significant Hazard 24 ftCokeburg
Washington, PA
High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Mine No 84 - Pond 6 Main?
Mine No 84 - Pond 6 Main 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 Mine No 84 - Pond 6 Main?
Mine No 84 - Pond 6 Main is owned by WASHINGTON COUNTY COAL COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mine No 84 - Pond 6 Main built?
Mine No 84 - Pond 6 Main was completed in 1980, making it 46 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 Mine No 84 - Pond 6 Main?
Mine No 84 - Pond 6 Main 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 Mine No 84 - Pond 6 Main?
Mine No 84 - Pond 6 Main has a dam height of 185 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 Mine No 84 - Pond 6 Main last inspected?
Mine No 84 - Pond 6 Main was last inspected on December 15, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.