Demarco Lake Dam

TR-MISSOURI RIVER· Boone, Missouri· Earth· 31 ft tall

High Hazard Recreation Water Supply Private

Key Takeaway

Demarco Lake Dam is classified as high hazard in Missouri. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	31 ft (taller than 73.7% in MO)
Dam Type	Earth
Max Storage	50 acre-ft
Normal Storage	26 acre-ft

Surface Area	3 acres
Drainage Area	42 sq mi
NID ID	MO31555

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: No

Last Inspection: July 1, 1980

State Regulated: No

Ownership

GUY DEMARCO

Private

Nearby Dams

Claysville Lake Dam

Boone, MO

High Hazard 42 ft

Brandel Lake Dam

Boone, MO

Significant Hazard 46 ft

Lake Champetra Dam

Boone, MO

High Hazard 60 ft

Lubker Dam

Cole, MO

High Hazard 29 ft

Howard Lake Dam

Callaway, MO

Low Hazard 40 ft

Woodward Lake Dam

Cole, MO

Low Hazard 27 ft

Gurwit&Lewis Lake Dam

Callaway, MO

High Hazard 30 ft

Binder Community Lake Dam

Cole, MO

High Hazard 43 ft

Frequently Asked Questions

What is the hazard classification of Demarco Lake Dam?

Demarco Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Demarco Lake Dam?

Demarco Lake Dam is owned by GUY DEMARCO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Demarco Lake Dam?

Demarco Lake Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Demarco Lake Dam?

Demarco Lake Dam has a dam height of 31 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 Demarco Lake Dam last inspected?

Demarco Lake Dam was last inspected on July 1, 1980. 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.