Sedimentation Pond "L-1"
Key Takeaway
Sedimentation Pond "L-1" is classified as low hazard in Pennsylvania. It was completed in 1992 and is 34 years old. Its primary use is other.
Physical Details
| Dam Height | 15 ft (taller than 27.6% in PA) |
| Dam Length | 270 ft |
| Dam Type | Earth |
| Max Storage | 77 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1992 (34 years old) |
| NID ID | PA01767 |
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
CONSOL MINING COMPANY LLC
Private
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High Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Sedimentation Pond "L-1"?
Sedimentation Pond "L-1" 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 "L-1"?
Sedimentation Pond "L-1" is owned by CONSOL MINING COMPANY LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sedimentation Pond "L-1" built?
Sedimentation Pond "L-1" was completed in 1992, making it 34 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 Sedimentation Pond "L-1"?
Sedimentation Pond "L-1" 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 "L-1"?
Sedimentation Pond "L-1" has a dam height of 15 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 Sedimentation Pond "L-1" last inspected?
Sedimentation Pond "L-1" was last inspected on July 1, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.