Glen Hills 10
Key Takeaway
Glen Hills 10 is classified as high hazard in Wisconsin. It was completed in 1970 and is 56 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 | 64 ft (taller than 99.4% in WI) |
| Dam Length | 870 ft |
| Dam Type | Earth |
| Max Storage | 3.8K acre-ft |
| Normal Storage | 1.5K acre-ft |
| Surface Area | 84 acres |
| Drainage Area | 10 sq mi |
| Max Discharge | 7,872 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | WI00393 |
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
St. Croix County
Local Government
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High Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Glen Hills 10?
Glen Hills 10 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 Glen Hills 10?
Glen Hills 10 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 10 built?
Glen Hills 10 was completed in 1970, making it 56 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 10?
Glen Hills 10 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 10?
Glen Hills 10 has a dam height of 64 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 10 last inspected?
Glen Hills 10 was last inspected on April 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.