Donora Settling
Key Takeaway
Donora Settling is classified as low hazard in Minnesota. It was completed in 1970 and is 56 years old. Its primary use is tailings.
Physical Details
| Dam Height | 20 ft (taller than 60.7% in MN) |
| Dam Length | 7,000 ft |
| Dam Type | Earth |
| Max Storage | 1.1K acre-ft |
| Normal Storage | 800 acre-ft |
| Max Discharge | 75 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | MN00791 |
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
Steel Dynamics INC.
Private
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Significant Hazard 200 ftFrequently Asked Questions
What is the hazard classification of Donora Settling?
Donora Settling 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 Donora Settling?
Donora Settling is owned by Steel Dynamics INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Donora Settling built?
Donora Settling was completed in 1970, making it 56 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 Donora Settling?
Donora Settling serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Donora Settling?
Donora Settling 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 Donora Settling last inspected?
Donora Settling was last inspected on September 17, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.