Sediment Basin No 4
Key Takeaway
Sediment Basin No 4 is classified as low hazard in Pennsylvania. It was completed in 1989 and is 37 years old. Its primary use is other.
Physical Details
| Dam Height | 21 ft (taller than 46.9% in PA) |
| Dam Length | 2,700 ft |
| Dam Type | Earth |
| Max Storage | 165 acre-ft |
| Normal Storage | 76 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1989 (37 years old) |
| NID ID | PA01559 |
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
KEYSTONE LANDFILL, INC.
Private
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Significant Hazard 55 ftFrequently Asked Questions
What is the hazard classification of Sediment Basin No 4?
Sediment Basin No 4 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 Sediment Basin No 4?
Sediment Basin No 4 is owned by KEYSTONE LANDFILL, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Sediment Basin No 4 built?
Sediment Basin No 4 was completed in 1989, making it 37 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 Sediment Basin No 4?
Sediment Basin 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 Sediment Basin No 4?
Sediment Basin No 4 has a dam height of 21 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 Sediment Basin No 4 last inspected?
Sediment Basin No 4 was last inspected on June 19, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.