Ashbury Lake Dam

TR-PURDY CREEK· Ralls, Missouri· Built 1978· Earth· 28 ft tall

Key Takeaway

Ashbury Lake Dam is classified as high hazard in Missouri. It was completed in 1978 and is 48 years old. Its primary use is flood risk reduction. 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 28 ft (taller than 54.3% in MO)
Dam TypeEarth
Max Storage255 acre-ft
Normal Storage119 acre-ft
Surface Area17 acres
Drainage Area390 sq mi
Year Completed1978 (48 years old)
NID IDMO31477

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

JOHN ASHBURY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ashbury Lake Dam?

Ashbury 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 Ashbury Lake Dam?

Ashbury Lake Dam is owned by JOHN ASHBURY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ashbury Lake Dam built?

Ashbury Lake Dam was completed in 1978, making it 48 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 Ashbury Lake Dam?

Ashbury Lake Dam serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Ashbury Lake Dam?

Ashbury Lake Dam has a dam height of 28 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.