Pool One A
Key Takeaway
Pool One A is classified as low hazard in Michigan. It was completed in 1958 and is 68 years old. Its primary use is other.
Physical Details
| Dam Height | 13 ft (taller than 39.7% in MI) |
| Dam Length | 11,220 ft |
| Dam Type | Earth |
| Max Storage | 750 acre-ft |
| Normal Storage | 576 acre-ft |
| Surface Area | 144 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,600 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | MI00643 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
DOI FWS
Federal Government
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High Hazard 39 ftFrequently Asked Questions
What is the hazard classification of Pool One A?
Pool One A is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Pool One A?
Pool One A is owned by DOI FWS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Pool One A built?
Pool One A was completed in 1958, making it 68 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 Pool One A?
Pool One A serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Pool One A?
Pool One A has a dam height of 13 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 Pool One A last inspected?
Pool One A was last inspected on January 29, 1981. Inspection dates indicate when a formal review occurred, not the results of that inspection.