Dysart Lake Dam

TR-ARAPAHOE CREEK· Andrew, Missouri· Built 1960· Earth· 25 ft tall
High Hazard Debris Control Recreation Private

Key Takeaway

Dysart Lake Dam is classified as high hazard in Missouri. It was completed in 1960 and is 66 years old. Its primary use is debris control. 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 25 ft (taller than 23.5% in MO)
Dam TypeEarth
Max Storage107 acre-ft
Normal Storage66 acre-ft
Surface Area8 acres
Drainage Area170 sq mi
Year Completed1960 (66 years old)
NID IDMO11065

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
State Regulated: No

Ownership

HOWARD DYSART

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dysart Lake Dam?

Dysart 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 Dysart Lake Dam?

Dysart Lake Dam is owned by HOWARD DYSART (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dysart Lake Dam built?

Dysart Lake Dam was completed in 1960, making it 66 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 Dysart Lake Dam?

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

How tall is Dysart Lake Dam?

Dysart Lake Dam has a dam height of 25 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.