Superior Falls
Key Takeaway
Superior Falls is classified as low hazard in Michigan. It was completed in 1917 and is 109 years old. Its primary use is hydroelectric.
Physical Details
| Dam Height | 28 ft (taller than 87.5% in MI) |
| Dam Length | 240 ft |
| Dam Type | Gravity |
| Normal Storage | 81 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 280 sq mi |
| Max Discharge | 14,000 cfs |
| Year Completed | 1917 (109 years old) |
| NID ID | MI00528 |
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
Northern States Power Co
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Superior Falls?
Superior Falls 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 Superior Falls?
Superior Falls is owned by Northern States Power Co (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Superior Falls built?
Superior Falls was completed in 1917, making it 109 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 Superior Falls?
Superior Falls serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Superior Falls?
Superior Falls has a dam height of 28 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 Superior Falls last inspected?
Superior Falls was last inspected on September 14, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.