Colvin Sedimentation Pond
Key Takeaway
Colvin Sedimentation Pond is classified as significant hazard in Pennsylvania. It was completed in 1980 and is 46 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 43 ft (taller than 79.6% in PA) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 85 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1980 (46 years old) |
| NID ID | PA01220 |
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
CONSOL MINING COMPANY LLC
Private
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High Hazard 38 ftFrequently Asked Questions
What is the hazard classification of Colvin Sedimentation Pond?
Colvin Sedimentation Pond 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 Colvin Sedimentation Pond?
Colvin Sedimentation Pond is owned by CONSOL MINING COMPANY LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Colvin Sedimentation Pond built?
Colvin Sedimentation Pond 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 Colvin Sedimentation Pond?
Colvin Sedimentation Pond 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 Colvin Sedimentation Pond?
Colvin Sedimentation Pond has a dam height of 43 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 Colvin Sedimentation Pond last inspected?
Colvin Sedimentation Pond was last inspected on December 13, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.