Midfield Sedimentation Pond
Key Takeaway
Midfield Sedimentation Pond is classified as high hazard in Pennsylvania. It was completed in 1988 and is 38 years old. Its primary use is flood risk reduction. 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 | 40 ft (taller than 77.2% in PA) |
| Dam Length | 360 ft |
| Dam Type | Earth |
| Max Storage | 375 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 3 sq mi |
| Year Completed | 1988 (38 years old) |
| NID ID | PA01254 |
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
ALLEGHENY COUNTY AIRPORT AUTHORITY
Local Government
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What is the hazard classification of Midfield Sedimentation Pond?
Midfield Sedimentation Pond 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 Midfield Sedimentation Pond?
Midfield Sedimentation Pond is owned by ALLEGHENY COUNTY AIRPORT AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Midfield Sedimentation Pond built?
Midfield Sedimentation Pond was completed in 1988, making it 38 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 Midfield Sedimentation Pond?
Midfield Sedimentation Pond serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Midfield Sedimentation Pond?
Midfield Sedimentation Pond has a dam height of 40 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 Midfield Sedimentation Pond last inspected?
Midfield Sedimentation Pond was last inspected on November 8, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.