Diamond Lake
Key Takeaway
Diamond Lake is classified as low hazard in Minnesota. It was completed in 1932 and is 94 years old. Its primary use is recreation.
Physical Details
| Dam Height | 7 ft (taller than 8.5% in MN) |
| Dam Length | 41 ft |
| Dam Type | Gravity |
| Max Storage | 44.9K acre-ft |
| Normal Storage | 38.3K acre-ft |
| Surface Area | 1,660 acres |
| Drainage Area | 28 sq mi |
| Max Discharge | 185 cfs |
| Year Completed | 1932 (94 years old) |
| NID ID | MN00069 |
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
County of Kandiyohi
Local Government
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Low Hazard 10 ftFrequently Asked Questions
What is the hazard classification of Diamond Lake?
Diamond 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 Diamond Lake?
Diamond Lake is owned by County of Kandiyohi (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Diamond Lake built?
Diamond Lake was completed in 1932, making it 94 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 Diamond Lake?
Diamond Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Diamond Lake?
Diamond 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 Diamond Lake last inspected?
Diamond Lake was last inspected on June 7, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.