Au Train

Au Train River· Alger, Michigan· Built 1910· Gravity· 31 ft tall
High Hazard Hydroelectric Recreation Not Listed

Key Takeaway

Au Train is classified as high hazard in Michigan. It was completed in 1910 and is 116 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 31 ft (taller than 90.6% in MI)
Dam Length1,970 ft
Dam TypeGravity
Max Storage12.3K acre-ft
Normal Storage12.3K acre-ft
Surface Area1,515 acres
Drainage Area80 sq mi
Max Discharge13,200 cfs
Year Completed1910 (116 years old)
NID IDMI00152

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: September 27, 2023
State Regulated: No

Ownership

Not Listed

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Au Train?

Au Train is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Au Train?

Au Train is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Au Train built?

Au Train was completed in 1910, making it 116 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 Au Train?

Au Train 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 Au Train?

Au Train has a dam height of 31 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 Au Train last inspected?

Au Train was last inspected on September 27, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.