Legacy Dam

LITTLE BLUE· Jackson, Missouri· Built 2001· 31 ft tall
High Hazard Flood Risk Reduction Private

Key Takeaway

Legacy Dam is classified as high hazard in Missouri. It was completed in 2001 and is 25 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 31 ft (taller than 73.7% in MO)
Dam Length400 ft
Max Storage400 acre-ft
Normal Storage250 acre-ft
Surface Area28 acres
Drainage Area3 sq mi
Year Completed2001 (25 years old)
NID IDMO20809

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

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Legacy Dam?

Legacy 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 Legacy Dam?

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

When was Legacy Dam built?

Legacy 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.

What is the primary purpose of Legacy Dam?

Legacy Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Legacy Dam?

Legacy 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.

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.