Maple Lake
Key Takeaway
Maple Lake is classified as low hazard in Minnesota. It was completed in 1942 and is 84 years old. Its primary use is recreation.
Physical Details
| Dam Height | 8 ft (taller than 16.2% in MN) |
| Dam Length | 50 ft |
| Dam Type | Gravity |
| Max Storage | 20.4K acre-ft |
| Normal Storage | 11.9K acre-ft |
| Surface Area | 1,477 acres |
| Drainage Area | 15 sq mi |
| Max Discharge | 735 cfs |
| Year Completed | 1942 (84 years old) |
| NID ID | MN00222 |
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 Polk
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Maple Lake?
Maple 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 Maple Lake?
Maple Lake is owned by County of Polk (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Maple Lake built?
Maple Lake was completed in 1942, making it 84 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 Maple Lake?
Maple 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 Maple Lake?
Maple Lake has a dam height of 8 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 Maple Lake last inspected?
Maple Lake was last inspected on August 24, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.