Indspec No 3
Key Takeaway
Indspec No 3 is classified as high hazard in Pennsylvania. It was completed in 1975 and is 51 years old. Its primary use is grade stabilization. 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 | 59 ft (taller than 88.3% in PA) |
| Dam Length | 710 ft |
| Dam Type | Earth |
| Max Storage | 278 acre-ft |
| Normal Storage | 181 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Year Completed | 1975 (51 years old) |
| NID ID | PA00902 |
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
INDSPEC CHEMICAL CORPORATION
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Indspec No 3?
Indspec No 3 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 Indspec No 3?
Indspec No 3 is owned by INDSPEC CHEMICAL CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Indspec No 3 built?
Indspec No 3 was completed in 1975, making it 51 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 Indspec No 3?
Indspec No 3 serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Indspec No 3?
Indspec No 3 has a dam height of 59 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 Indspec No 3 last inspected?
Indspec No 3 was last inspected on October 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.