Belmont Raw Water Basin
Key Takeaway
Belmont Raw Water Basin is classified as high hazard in Pennsylvania. It was completed in 1901 and is 125 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 | 30 ft (taller than 65% in PA) |
| Dam Length | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 220 acre-ft |
| Normal Storage | 145 acre-ft |
| Surface Area | 11 acres |
| Year Completed | 1901 (125 years old) |
| NID ID | PA01775 |
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
PHILADELPHIA WATER DEPARTMENT
Local Government
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What is the hazard classification of Belmont Raw Water Basin?
Belmont Raw Water Basin 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 Belmont Raw Water Basin?
Belmont Raw Water Basin is owned by PHILADELPHIA WATER DEPARTMENT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Belmont Raw Water Basin built?
Belmont Raw Water Basin was completed in 1901, making it 125 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 Belmont Raw Water Basin?
Belmont Raw Water Basin 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 Belmont Raw Water Basin?
Belmont Raw Water Basin 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 Belmont Raw Water Basin last inspected?
Belmont Raw Water Basin was last inspected on August 12, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.