Dudenhoeffer Dam

Maries, Missouri· Built 2001· Earth· 55 ft tall

High Hazard Private

Key Takeaway

Dudenhoeffer Dam is classified as high hazard in Missouri. It was completed in 2001 and is 25 years old. 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	55 ft (taller than 96.3% in MO)
Dam Length	720 ft
Dam Type	Earth
Max Storage	853 acre-ft
Normal Storage	650 acre-ft

Surface Area	39 acres
Drainage Area	1 sq mi
Max Discharge	892 cfs
Year Completed	2001 (25 years old)
Year Modified	2000
NID ID	MO32065

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: Yes

Last Inspection: November 3, 2020

State Regulated: Yes

Regulatory Agency: Dam and Reservoir Safety Program

Ownership

DR. MICHAEL DUDENHOEFFER

Private

Nearby Dams

Welschmeyer's Dam

Osage, MO

High Hazard 28 ft

Swarthout Lake Dam

Maries, MO

Low Hazard 25 ft

Lake Maxwell Dam

Maries, MO

High Hazard 80 ft

Bowman Lake Dam

Maries, MO

High Hazard 23 ft

Norbert Sandbothe Pond

Maries, MO

Low Hazard 33 ft

Danube Corporation Lower Dam

Maries, MO

High Hazard 32 ft

Danube Corporation Upper Dam

Maries, MO

Low Hazard 25 ft

Luecke Lake Dam

Osage, MO

Low Hazard 25 ft

Frequently Asked Questions

What is the hazard classification of Dudenhoeffer Dam?

Dudenhoeffer 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 Dudenhoeffer Dam?

Dudenhoeffer Dam is owned by DR. MICHAEL DUDENHOEFFER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dudenhoeffer Dam built?

Dudenhoeffer Dam was completed in 2001, making it 25 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Dudenhoeffer Dam?

Dudenhoeffer Dam has a dam height of 55 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 Dudenhoeffer Dam last inspected?

Dudenhoeffer Dam was last inspected on November 3, 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.