Grayling Dam

Au Sable River· Crawford, Michigan· Built 1933· Other· 9 ft tall
Unknown Other Local Government

Key Takeaway

Grayling Dam is classified as unknown in Michigan. It was completed in 1933 and is 93 years old. Its primary use is other.

Physical Details

Dam Height 9 ft (taller than 14.1% in MI)
Dam Length18 ft
Dam TypeOther
Max Storage306 acre-ft
Normal Storage170 acre-ft
Surface Area85 acres
Drainage Area110 sq mi
Max Discharge330 cfs
Year Completed1933 (93 years old)
NID IDMI02602

Safety Information

Unknown

Hazard potential has not been determined.

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

Emergency Action Plan: No
Last Inspection: October 17, 1997
State Regulated: No

Ownership

City of Grayling

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grayling Dam?

Grayling Dam is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Grayling Dam?

Grayling Dam is owned by City of Grayling (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grayling Dam built?

Grayling Dam was completed in 1933, making it 93 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 Grayling Dam?

Grayling Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Grayling Dam?

Grayling Dam has a dam height of 9 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 Grayling Dam last inspected?

Grayling Dam was last inspected on October 17, 1997. 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.