Sludge Bed No 4
Key Takeaway
Sludge Bed No 4 is classified as high hazard in Pennsylvania. It was completed in 1984 and is 42 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 | 30 ft (taller than 65% in PA) |
| Dam Length | 2,000 ft |
| Dam Type | Earth |
| Max Storage | 210 acre-ft |
| Normal Storage | 186 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1984 (42 years old) |
| NID ID | PA01230 |
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
A K STEEL CORPORATION
Private
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Low Hazard 23 ftFrequently Asked Questions
What is the hazard classification of Sludge Bed No 4?
Sludge Bed No 4 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 Sludge Bed No 4?
Sludge Bed No 4 is owned by A K STEEL CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sludge Bed No 4 built?
Sludge Bed No 4 was completed in 1984, making it 42 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 Sludge Bed No 4?
Sludge Bed No 4 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 Sludge Bed No 4?
Sludge Bed No 4 has a dam height of 30 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 Sludge Bed No 4 last inspected?
Sludge Bed No 4 was last inspected on November 24, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.