Grass Lake Level Control Structure
Key Takeaway
Grass Lake Level Control Structure is classified as significant hazard in Michigan. It was completed in 1973 and is 53 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 29 ft (taller than 88.4% in MI) |
| Dam Length | 1,900 ft |
| Dam Type | Earth |
| Max Storage | 5.9K acre-ft |
| Normal Storage | 1.8K acre-ft |
| Surface Area | 240 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 175 cfs |
| Year Completed | 1973 (53 years old) |
| NID ID | MI00453 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Kent County Drain Commissioner
Private
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High Hazard 35 ftFrequently Asked Questions
What is the hazard classification of Grass Lake Level Control Structure?
Grass Lake Level Control Structure is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Grass Lake Level Control Structure?
Grass Lake Level Control Structure is owned by Kent County Drain Commissioner (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Grass Lake Level Control Structure built?
Grass Lake Level Control Structure was completed in 1973, making it 53 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 Grass Lake Level Control Structure?
Grass Lake Level 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 Grass Lake Level Control Structure?
Grass Lake Level Control Structure has a dam height of 29 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 Grass Lake Level Control Structure last inspected?
Grass Lake Level Control Structure was last inspected on August 18, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.