Etb Waterway Dams
Key Takeaway
Etb Waterway Dams is classified as low hazard in Michigan. It was completed in 1986 and is 40 years old. Its primary use is other.
Physical Details
| Dam Height | 20 ft (taller than 70.3% in MI) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 83 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1986 (40 years old) |
| NID ID | MI00838 |
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
Empire Iron Mining Partnership
Private
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Low Hazard 30 ftEmpire Mine Tertiary Pond Dam
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Significant Hazard 52 ftLake Sally Dam
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High Hazard 15 ftFrequently Asked Questions
What is the hazard classification of Etb Waterway Dams?
Etb Waterway Dams 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 Etb Waterway Dams?
Etb Waterway Dams is owned by Empire Iron Mining Partnership (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Etb Waterway Dams built?
Etb Waterway Dams was completed in 1986, making it 40 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 Etb Waterway Dams?
Etb Waterway Dams 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 Etb Waterway Dams?
Etb Waterway Dams 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 Etb Waterway Dams last inspected?
Etb Waterway Dams was last inspected on September 1, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.