Rainy River Dam
Key Takeaway
Rainy River Dam is classified as low hazard in Michigan. It was completed in 1960 and is 66 years old. Its primary use is recreation.
Physical Details
| Dam Height | 11 ft (taller than 26.9% in MI) |
| Dam Length | 296 ft |
| Dam Type | Earth |
| Max Storage | 1.8K acre-ft |
| Normal Storage | 810 acre-ft |
| Surface Area | 270 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 253 cfs |
| Year Completed | 1960 (66 years old) |
| NID ID | MI00142 |
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
MDNR Wildlife
State Government
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What is the hazard classification of Rainy River Dam?
Rainy River Dam 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 Rainy River Dam?
Rainy River Dam is owned by MDNR Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rainy River Dam built?
Rainy River Dam was completed in 1960, making it 66 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 Rainy River Dam?
Rainy River Dam 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 Rainy River Dam?
Rainy River Dam has a dam height of 11 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 Rainy River Dam last inspected?
Rainy River Dam was last inspected on July 14, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.