Highway 75 Dam
Key Takeaway
Highway 75 Dam is classified as low hazard in Minnesota. It was completed in 1974 and is 52 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 10 ft (taller than 30.9% in MN) |
| Dam Length | 16,160 ft |
| Dam Type | Earth |
| Max Storage | 91.0K acre-ft |
| Normal Storage | 11.7K acre-ft |
| Surface Area | 2,800 acres |
| Drainage Area | 1,700 sq mi |
| Max Discharge | 32,300 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | MN00581 |
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
USACE - St. Paul District
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Highway 75 Dam?
Highway 75 Dam 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 Highway 75 Dam?
Highway 75 Dam is owned by USACE - St. Paul District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Highway 75 Dam built?
Highway 75 Dam 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 Highway 75 Dam?
Highway 75 Dam serves the following purposes: Flood Risk Reduction, Other, Fish And Wildlife Pond, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Highway 75 Dam?
Highway 75 Dam has a dam height of 10 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 Highway 75 Dam last inspected?
Highway 75 Dam was last inspected on August 21, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.