Coffee Lake
Key Takeaway
Coffee Lake is classified as low hazard in Minnesota. It was completed in 1939 and is 87 years old. Its primary use is recreation.
Physical Details
| Dam Height | 10 ft (taller than 30.9% in MN) |
| Dam Length | 4 ft |
| Dam Type | Gravity |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 67 acres |
| Drainage Area | 12 sq mi |
| Year Completed | 1939 (87 years old) |
| NID ID | MN01282 |
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 Carlton Hwy Dept
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Coffee Lake?
Coffee 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 Coffee Lake?
Coffee Lake is owned by County of Carlton Hwy Dept (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Coffee Lake built?
Coffee Lake was completed in 1939, making it 87 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 Coffee Lake?
Coffee 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 Coffee Lake?
Coffee Lake 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 Coffee Lake last inspected?
Coffee Lake was last inspected on July 31, 2013. Inspection dates indicate when a formal review occurred, not the results of that inspection.