Green Lake Dam
Key Takeaway
Green Lake Dam is classified as low hazard in Michigan. It was completed in 1981 and is 45 years old. Its primary use is other.
Physical Details
| Dam Height | 9 ft (taller than 14.1% in MI) |
| Dam Length | 200 ft |
| Dam Type | Earth |
| Max Storage | 550 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 90 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 191 cfs |
| Year Completed | 1981 (45 years old) |
| NID ID | MI00790 |
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
Nearby Dams
Winnewana Dam
Washtenaw, MI
Significant Hazard 12 ftMud Lake Dam
Jackson, MI
Low Hazard 9 ftUnadilla Mill Dam
Livingston, MI
Significant Hazard 10 ftWaterloo Dam
Jackson, MI
Low Hazard 16 ftBaldwin Flooding Dam
Jackson, MI
Low Hazard 7 ftBaker Dam
Washtenaw, MI
Low Hazard 16 ftWildlife Flooding Dam
Livingston, MI
Low Hazard 8 ftHiland Lake Dam
Livingston, MI
High Hazard 19 ftFrequently Asked Questions
What is the hazard classification of Green Lake Dam?
Green Lake 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 Green Lake Dam?
Green Lake Dam is owned by MDNR Parks & Recreation (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Green Lake Dam built?
Green Lake Dam was completed in 1981, making it 45 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 Green Lake Dam?
Green Lake Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Green Lake Dam?
Green Lake Dam has a dam height of 9 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 Green Lake Dam last inspected?
Green Lake Dam was last inspected on June 5, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.