Philipsburg No 3 (Upper)
Key Takeaway
Philipsburg No 3 (Upper) is classified as high hazard in Pennsylvania. It was completed in 1921 and is 105 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 | 17 ft (taller than 35.6% in PA) |
| Dam Length | 240 ft |
| Dam Type | Earth |
| Max Storage | 174 acre-ft |
| Normal Storage | 46 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 10 sq mi |
| Year Completed | 1921 (105 years old) |
| NID ID | PA00445 |
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
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Philipsburg No 3 (Upper)?
Philipsburg No 3 (Upper) 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 Philipsburg No 3 (Upper)?
Philipsburg No 3 (Upper) is owned by PA AMERICAN WATER COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Philipsburg No 3 (Upper) built?
Philipsburg No 3 (Upper) was completed in 1921, making it 105 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 Philipsburg No 3 (Upper)?
Philipsburg No 3 (Upper) 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 Philipsburg No 3 (Upper)?
Philipsburg No 3 (Upper) has a dam height of 17 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 Philipsburg No 3 (Upper) last inspected?
Philipsburg No 3 (Upper) was last inspected on June 9, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.