Minersville No 4
Key Takeaway
Minersville No 4 is classified as high hazard in Pennsylvania. It was completed in 1912 and is 114 years old. Its primary use is water supply. 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 | 36 ft (taller than 73.4% in PA) |
| Dam Length | 775 ft |
| Dam Type | Rockfill |
| Max Storage | 481 acre-ft |
| Normal Storage | 276 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 2 sq mi |
| Year Completed | 1912 (114 years old) |
| NID ID | PA00675 |
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
MUNICIPAL AUTHORITY OF THE BOROUGH OF MINERSVILLE
Local Government
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Significant Hazard 11 ftFrequently Asked Questions
What is the hazard classification of Minersville No 4?
Minersville 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 Minersville No 4?
Minersville No 4 is owned by MUNICIPAL AUTHORITY OF THE BOROUGH OF MINERSVILLE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Minersville No 4 built?
Minersville No 4 was completed in 1912, making it 114 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 Minersville No 4?
Minersville No 4 serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Minersville No 4?
Minersville No 4 has a dam height of 36 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 Minersville No 4 last inspected?
Minersville No 4 was last inspected on November 10, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.