Greenville Dam

Flat River· Montcalm, Michigan· Built 1914· Gravity· 14 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Greenville Dam is classified as significant hazard in Michigan. It was completed in 1914 and is 112 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 14 ft (taller than 44.8% in MI)
Dam Length275 ft
Dam TypeGravity
Max Storage3.0K acre-ft
Normal Storage1.5K acre-ft
Surface Area149 acres
Drainage Area289 sq mi
Max Discharge4,720 cfs
Year Completed1914 (112 years old)
NID IDMI00499

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: April 29, 2014
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

City of Greenville

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Greenville Dam?

Greenville 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 Greenville Dam?

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

When was Greenville Dam built?

Greenville Dam was completed in 1914, making it 112 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 Greenville Dam?

Greenville 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 Greenville Dam?

Greenville Dam has a dam height of 14 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 Greenville Dam last inspected?

Greenville Dam was last inspected on April 29, 2014. 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.