Glen Hills 8
Key Takeaway
Glen Hills 8 is classified as significant hazard in Wisconsin. It was completed in 1974 and is 52 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 | 30 ft (taller than 81.6% in WI) |
| Dam Length | 398 ft |
| Dam Type | Earth |
| Max Storage | 238 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 65 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | WI00398 |
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
St. Croix County
Local Government
Nearby Dams
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Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Glen Hills 8?
Glen Hills 8 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 Glen Hills 8?
Glen Hills 8 is owned by St. Croix County (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Glen Hills 8 built?
Glen Hills 8 was completed in 1974, making it 52 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 Glen Hills 8?
Glen Hills 8 serves the following purposes: Flood Risk Reduction, Recreation, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Glen Hills 8?
Glen Hills 8 has a dam height of 30 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 Glen Hills 8 last inspected?
Glen Hills 8 was last inspected on October 18, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.