Normandale Lake
Key Takeaway
Normandale Lake is classified as low hazard in Minnesota. It was completed in 1980 and is 46 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 7 ft (taller than 8.5% in MN) |
| Dam Type | Earth |
| Max Storage | 400 acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 33 sq mi |
| Year Completed | 1980 (46 years old) |
| Year Modified | 1998 |
| NID ID | MN01494 |
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
City of Bloomington
Local Government
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Low Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Normandale Lake?
Normandale Lake 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 Normandale Lake?
Normandale Lake is owned by City of Bloomington (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Normandale Lake built?
Normandale Lake was completed in 1980, making it 46 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 Normandale Lake?
Normandale Lake 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 Normandale Lake?
Normandale Lake 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 Normandale Lake last inspected?
Normandale Lake was last inspected on September 26, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.