Williams Bridge Reservoir
Key Takeaway
Williams Bridge Reservoir is classified as high hazard in Pennsylvania. It was completed in 1893 and is 133 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 | 54 ft (taller than 86.6% in PA) |
| Dam Length | 810 ft |
| Dam Type | Earth |
| Max Storage | 1.3K acre-ft |
| Normal Storage | 1.0K acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1893 (133 years old) |
| NID ID | PA00373 |
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
PA AMERICAN WATER COMPANY
Private
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What is the hazard classification of Williams Bridge Reservoir?
Williams Bridge Reservoir 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 Williams Bridge Reservoir?
Williams Bridge Reservoir is owned by PA AMERICAN WATER COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Williams Bridge Reservoir built?
Williams Bridge Reservoir was completed in 1893, making it 133 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 Williams Bridge Reservoir?
Williams Bridge Reservoir 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 Williams Bridge Reservoir?
Williams Bridge Reservoir has a dam height of 54 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 Williams Bridge Reservoir last inspected?
Williams Bridge Reservoir was last inspected on September 16, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.