Addison Mill Pond Dam
Key Takeaway
Addison Mill Pond Dam is classified as high hazard in Michigan. It was completed in 1837 and is 189 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 | 25 ft (taller than 83.2% in MI) |
| Dam Length | 225 ft |
| Dam Type | Earth |
| Max Storage | 180 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 305 cfs |
| Year Completed | 1837 (189 years old) |
| NID ID | MI00710 |
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
Village of Addison
Local Government
Nearby Dams
Lake Somerset Dam
Hillsdale, MI
Significant Hazard 31 ftLombard Lake Dam
Hillsdale, MI
Low Hazard 8 ftSpencer Dam
Lenawee, MI
Low Hazard 20 ftCrystal Lake Dam
Hillsdale, MI
Low Hazard 10 ftPosey Lake Level Control Structure
Lenawee, MI
Low Hazard 7 ftLake Columbia Dam
Jackson, MI
Low Hazard 33 ftLake Le-Ann South Dam
Hillsdale, MI
Low Hazard 23 ftLake Le-Ann North Dam
Jackson, MI
Significant Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Addison Mill Pond Dam?
Addison Mill Pond 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 Addison Mill Pond Dam?
Addison Mill Pond Dam is owned by Village of Addison (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Addison Mill Pond Dam built?
Addison Mill Pond Dam was completed in 1837, making it 189 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 Addison Mill Pond Dam?
Addison Mill Pond 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 Addison Mill Pond Dam?
Addison Mill Pond Dam has a dam height of 25 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 Addison Mill Pond Dam last inspected?
Addison Mill Pond Dam was last inspected on July 12, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.