Lake St Helen Lake Level Control
Key Takeaway
Lake St Helen Lake Level Control is classified as low hazard in Michigan. It was completed in 1930 and is 96 years old. Its primary use is recreation.
Physical Details
| Dam Height | 8 ft (taller than 7.3% in MI) |
| Dam Length | 200 ft |
| Dam Type | Gravity |
| Max Storage | 7.7K acre-ft |
| Normal Storage | 3.4K acre-ft |
| Surface Area | 2,400 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1930 (96 years old) |
| NID ID | MI01810 |
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
Roscommon County
Private
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High Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Lake St Helen Lake Level Control?
Lake St Helen Lake Level Control 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 Lake St Helen Lake Level Control?
Lake St Helen Lake Level Control is owned by Roscommon County (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Lake St Helen Lake Level Control built?
Lake St Helen Lake Level Control was completed in 1930, making it 96 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 Lake St Helen Lake Level Control?
Lake St Helen Lake Level Control 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 Lake St Helen Lake Level Control?
Lake St Helen Lake Level Control 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 Lake St Helen Lake Level Control last inspected?
Lake St Helen Lake Level Control was last inspected on July 15, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.