Maple Leaf Lake Dam

Lafayette, Missouri· Built 1991· Earth· 50 ft tall
Significant Hazard State Government

Key Takeaway

Maple Leaf Lake Dam is classified as significant hazard in Missouri. It was completed in 1991 and is 35 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 50 ft (taller than 95% in MO)
Dam Length1,600 ft
Dam TypeEarth
Max Storage2.2K acre-ft
Normal Storage1.7K acre-ft
Surface Area120 acres
Drainage Area3 sq mi
Max Discharge12,161 cfs
Year Completed1991 (35 years old)
NID IDMO20792

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 2, 2020
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

MO DEPT OF CONSERVATION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Maple Leaf Lake Dam?

Maple Leaf Lake 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 Maple Leaf Lake Dam?

Maple Leaf Lake Dam is owned by MO DEPT OF CONSERVATION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Maple Leaf Lake Dam built?

Maple Leaf Lake Dam was completed in 1991, making it 35 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Maple Leaf Lake Dam?

Maple Leaf Lake Dam has a dam height of 50 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 Maple Leaf Lake Dam last inspected?

Maple Leaf Lake Dam was last inspected on September 2, 2020. 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.