Tamarack Lake A (Pa-461a)
Key Takeaway
Tamarack Lake A (Pa-461a) is classified as high hazard in Pennsylvania. It was completed in 1962 and is 64 years old. Its primary use is flood risk reduction. 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 | 23 ft (taller than 51% in PA) |
| Dam Length | 1,000 ft |
| Dam Type | Earth |
| Max Storage | 8.2K acre-ft |
| Normal Storage | 3.9K acre-ft |
| Surface Area | 556 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1962 (64 years old) |
| NID ID | PA00181 |
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 FISH & BOAT COMMISSION
State Government
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Tamarack Lake A (Pa-461a)?
Tamarack Lake A (Pa-461a) 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 Tamarack Lake A (Pa-461a)?
Tamarack Lake A (Pa-461a) is owned by PA FISH & BOAT COMMISSION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Tamarack Lake A (Pa-461a) built?
Tamarack Lake A (Pa-461a) was completed in 1962, making it 64 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 Tamarack Lake A (Pa-461a)?
Tamarack Lake A (Pa-461a) serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Tamarack Lake A (Pa-461a)?
Tamarack Lake A (Pa-461a) has a dam height of 23 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 Tamarack Lake A (Pa-461a) last inspected?
Tamarack Lake A (Pa-461a) was last inspected on September 18, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.