Monterey Lake Dam
Key Takeaway
Monterey Lake Dam is classified as high hazard in Michigan. It was completed in 1971 and is 55 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 20 ft (taller than 70.3% in MI) |
| Dam Length | 650 ft |
| Dam Type | Earth |
| Max Storage | 2.8K acre-ft |
| Normal Storage | 1.8K acre-ft |
| Surface Area | 240 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 320 cfs |
| Year Completed | 1971 (55 years old) |
| NID ID | MI00472 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Sandy Pines Wilderness
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Monterey Lake Dam?
Monterey Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Monterey Lake Dam?
Monterey Lake Dam is owned by Sandy Pines Wilderness (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Monterey Lake Dam built?
Monterey Lake Dam was completed in 1971, making it 55 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 Monterey Lake Dam?
Monterey Lake Dam 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 Monterey Lake Dam?
Monterey Lake Dam has a dam height of 20 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 Monterey Lake Dam last inspected?
Monterey Lake Dam was last inspected on December 3, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.