Mchan
Key Takeaway
Mchan is classified as low hazard in Idaho. It was completed in 1918 and is 108 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 21 ft (taller than 30.8% in ID) |
| Dam Length | 615 ft |
| Normal Storage | 345 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 157 cfs |
| Year Completed | 1918 (108 years old) |
| NID ID | ID00027 |
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
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Mchan?
Mchan 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 Mchan?
Mchan is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mchan built?
Mchan was completed in 1918, making it 108 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 Mchan?
Mchan serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mchan?
Mchan has a dam height of 21 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 Mchan last inspected?
Mchan was last inspected on October 29, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.