Mcdill
Key Takeaway
Mcdill is classified as significant hazard in Wisconsin. It was completed in 1855 and is 171 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 21 ft (taller than 63.7% in WI) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 2.2K acre-ft |
| Normal Storage | 1.2K acre-ft |
| Surface Area | 261 acres |
| Drainage Area | 163 sq mi |
| Max Discharge | 3,740 cfs |
| Year Completed | 1855 (171 years old) |
| NID ID | WI00176 |
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
Mcdill Inland Lake and Rehabilitation District
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Mcdill?
Mcdill 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 Mcdill?
Mcdill is owned by Mcdill Inland Lake and Rehabilitation District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mcdill built?
Mcdill was completed in 1855, making it 171 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
How tall is Mcdill?
Mcdill has a dam height of 21 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 Mcdill last inspected?
Mcdill was last inspected on September 26, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.