Brevoort Lake Dam

BREVOORT RIVER· Mackinac, Michigan· Built 1938· Earth· 7 ft tall
Low Hazard Recreation Fish And Wildlife Pond Federal Government

Key Takeaway

Brevoort Lake Dam is classified as low hazard in Michigan. It was completed in 1938 and is 88 years old. Its primary use is recreation.

Physical Details

Dam Height 7 ft (taller than 1.3% in MI)
Dam Length656 ft
Dam TypeEarth
Max Storage35.0K acre-ft
Normal Storage20.5K acre-ft
Surface Area4,314 acres
Drainage Area51 sq mi
Max Discharge617 cfs
Year Completed1938 (88 years old)
NID IDMI00155

Safety Information

Low Hazard

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?

Emergency Action Plan: No
Last Inspection: October 4, 2016
State Regulated: No

Ownership

USDA FS

Federal Government

Frequently Asked Questions

What is the hazard classification of Brevoort Lake Dam?

Brevoort Lake 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 Brevoort Lake Dam?

Brevoort Lake Dam is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Brevoort Lake Dam built?

Brevoort Lake Dam was completed in 1938, making it 88 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 Brevoort Lake Dam?

Brevoort Lake Dam serves the following purposes: Recreation, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Brevoort Lake Dam?

Brevoort Lake Dam has a dam height of 7 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 Brevoort Lake Dam last inspected?

Brevoort Lake Dam was last inspected on October 4, 2016. 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.