Carp River Dam

Carp River· Marquette, Michigan· Built 1942· Arch· 60 ft tall
High Hazard Recreation Private

Key Takeaway

Carp River Dam is classified as high hazard in Michigan. It was completed in 1942 and is 84 years old. Its primary use is recreation. 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 60 ft (taller than 97.6% in MI)
Dam Length700 ft
Dam TypeArch
Max Storage26.1K acre-ft
Normal Storage22.5K acre-ft
Surface Area897 acres
Drainage Area37 sq mi
Max Discharge4,330 cfs
Year Completed1942 (84 years old)
NID IDMI00159

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: December 14, 2018
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

Cleveland Cliffs Iron Company

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Carp River Dam?

Carp River Dam 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 Carp River Dam?

Carp River Dam is owned by Cleveland Cliffs Iron Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Carp River Dam built?

Carp River Dam was completed in 1942, making it 84 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 Carp River Dam?

Carp 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 Carp River Dam?

Carp River Dam has a dam height of 60 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 Carp River Dam last inspected?

Carp River Dam was last inspected on December 14, 2018. 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.