Sedimentation Pond No. 8a
Key Takeaway
Sedimentation Pond No. 8a is classified as low hazard in Pennsylvania. Its primary use is other.
Physical Details
| Dam Height | 25 ft (taller than 55% in PA) |
| Dam Length | 150 ft |
| Dam Type | Earth |
| Max Storage | 86 acre-ft |
| NID ID | PA83535 |
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
Eighty-Four Mining
Private
Nearby Dams
Mine No 84 - Pond 7
Washington, PA
Significant Hazard 36 ftPond 22
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High Hazard 1 ftSteel
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Low Hazard 15 ftMine No 84 - Pond 6 Main
Washington, PA
High Hazard 185 ftMine No 84 - Pond 6 East Dike
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High Hazard 10 ftMine No 84 - Pond 6 West Dike
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High Hazard 26 ftSmith and Ponzo
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Significant Hazard 24 ftCokeburg
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High Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Sedimentation Pond No. 8a?
Sedimentation Pond No. 8a 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 Sedimentation Pond No. 8a?
Sedimentation Pond No. 8a is owned by Eighty-Four Mining (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
What is the primary purpose of Sedimentation Pond No. 8a?
Sedimentation Pond No. 8a 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 Sedimentation Pond No. 8a?
Sedimentation Pond No. 8a has a dam height of 25 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.