Little John Flooding Dam
Key Takeaway
Little John Flooding Dam is classified as low hazard in Michigan. It was completed in 1957 and is 69 years old. Its primary use is recreation.
Physical Details
| Dam Height | 20 ft (taller than 70.3% in MI) |
| Dam Length | 160 ft |
| Dam Type | Earth |
| Max Storage | 1.2K acre-ft |
| Normal Storage | 250 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 65 cfs |
| Year Completed | 1957 (69 years old) |
| NID ID | MI00305 |
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 Wildlife
State Government
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Little John Flooding Dam?
Little John Flooding 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 Little John Flooding Dam?
Little John Flooding Dam is owned by MDNR Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Little John Flooding Dam built?
Little John Flooding Dam was completed in 1957, making it 69 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 Little John Flooding Dam?
Little John Flooding Dam serves the following purposes: Recreation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Little John Flooding Dam?
Little John Flooding 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 Little John Flooding Dam last inspected?
Little John Flooding Dam was last inspected on May 26, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.