Morley Dam

Little Muskegon River· Mecosta, Michigan· Built 1908· Gravity· 22 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Morley Dam is classified as significant hazard in Michigan. It was completed in 1908 and is 118 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 22 ft (taller than 77.5% in MI)
Dam Length460 ft
Dam TypeGravity
Max Storage600 acre-ft
Normal Storage500 acre-ft
Surface Area57 acres
Drainage Area157 sq mi
Max Discharge3,375 cfs
Year Completed1908 (118 years old)
NID IDMI00212

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: September 30, 2016
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

Village of Morley

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Morley Dam?

Morley Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Morley Dam?

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

When was Morley Dam built?

Morley Dam was completed in 1908, making it 118 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 Morley Dam?

Morley 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 Morley Dam?

Morley Dam 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 Morley Dam last inspected?

Morley Dam was last inspected on September 30, 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.