Seven Lakes Addition Dam
Key Takeaway
Seven Lakes Addition Dam is classified as low hazard in Michigan. It was completed in 1970 and is 56 years old. Its primary use is recreation.
Physical Details
| Dam Height | 26 ft (taller than 85.3% in MI) |
| Dam Length | 500 ft |
| Dam Type | Earth |
| Max Storage | 335 acre-ft |
| Normal Storage | 240 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 60 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | MI00448 |
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
MDNR Parks & Recreation
State Government
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High Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Seven Lakes Addition Dam?
Seven Lakes Addition Dam 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 Seven Lakes Addition Dam?
Seven Lakes Addition Dam is owned by MDNR Parks & Recreation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Seven Lakes Addition Dam built?
Seven Lakes Addition Dam was completed in 1970, making it 56 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 Seven Lakes Addition Dam?
Seven Lakes Addition 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 Seven Lakes Addition Dam?
Seven Lakes Addition Dam has a dam height of 26 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 Seven Lakes Addition Dam last inspected?
Seven Lakes Addition Dam was last inspected on October 16, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.