Long Lake Control Structure
Key Takeaway
Long Lake Control Structure is classified as low hazard in Michigan. It was completed in 1951 and is 75 years old. Its primary use is recreation.
Physical Details
| Dam Height | 8 ft (taller than 7.3% in MI) |
| Dam Length | 50 ft |
| Dam Type | Gravity |
| Max Storage | 400 acre-ft |
| Normal Storage | 230 acre-ft |
| Surface Area | 146 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 185 cfs |
| Year Completed | 1951 (75 years old) |
| NID ID | MI00806 |
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
Livingston County Dr. Commissioner
Private
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Significant Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Long Lake Control Structure?
Long Lake Control Structure 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 Long Lake Control Structure?
Long Lake Control Structure is owned by Livingston County Dr. Commissioner (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Long Lake Control Structure built?
Long Lake Control Structure was completed in 1951, making it 75 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 Long Lake Control Structure?
Long Lake Control Structure 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 Long Lake Control Structure?
Long Lake Control Structure has a dam height of 8 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 Long Lake Control Structure last inspected?
Long Lake Control Structure was last inspected on November 2, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.