Little Black River Structure C

Trib-S Br Little Black River· Cheboygan, Michigan· Built 1962· Earth· 22 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Little Black River Structure C is classified as high hazard in Michigan. It was completed in 1962 and is 64 years old. Its primary use is flood risk reduction. 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 22 ft (taller than 77.5% in MI)
Dam Length283 ft
Dam TypeEarth
Max Storage420 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area4 sq mi
Year Completed1962 (64 years old)
NID IDMI00047

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: August 15, 2017
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

City of Cheboygan

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Little Black River Structure C?

Little Black River Structure C 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 Little Black River Structure C?

Little Black River Structure C is owned by City of Cheboygan (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Little Black River Structure C built?

Little Black River Structure C was completed in 1962, making it 64 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 Little Black River Structure C?

Little Black River Structure C serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Little Black River Structure C?

Little Black River Structure C has a dam height of 22 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 Little Black River Structure C last inspected?

Little Black River Structure C was last inspected on August 15, 2017. 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.