Michael Gallagher Lake Dam

Jefferson, Missouri· Built 1988· 22 ft tall
Significant Hazard Recreation Private

Key Takeaway

Michael Gallagher Lake Dam is classified as significant hazard in Missouri. It was completed in 1988 and is 38 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 14.9% in MO)
Max Storage24 acre-ft
Normal Storage15 acre-ft
Surface Area2 acres
Year Completed1988 (38 years old)
NID IDMO31971

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: No
State Regulated: No

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Michael Gallagher Lake Dam?

Michael Gallagher 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 Michael Gallagher Lake Dam?

Michael Gallagher Lake Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Michael Gallagher Lake Dam built?

Michael Gallagher Lake Dam was completed in 1988, making it 38 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 Michael Gallagher Lake Dam?

Michael Gallagher Lake 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 Michael Gallagher Lake Dam?

Michael Gallagher Lake 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.

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.