Prescott Mill Dam
Key Takeaway
Prescott Mill Dam is classified as significant hazard in Illinois. It was completed in 2006 and is 20 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 7 ft (taller than 0.5% in IL) |
| Dam Type | Earth |
| Normal Storage | 125 acre-ft |
| Drainage Area | 1 sq mi |
| Year Completed | 2006 (20 years old) |
| NID ID | IL50547 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
PRESCOTT MILL HOA
Private
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What is the hazard classification of Prescott Mill Dam?
Prescott Mill Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Prescott Mill Dam?
Prescott Mill Dam is owned by PRESCOTT MILL HOA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Prescott Mill Dam built?
Prescott Mill Dam was completed in 2006, making it 20 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 Prescott Mill Dam?
Prescott Mill Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Prescott Mill Dam?
Prescott Mill Dam has a dam height of 7 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 Prescott Mill Dam last inspected?
Prescott Mill Dam was last inspected on August 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.