Mack&Woodard Lake Dam-Sect 22

TR-THOMPSON RIVER· Grundy, Missouri· Earth· 20 ft tall

High Hazard Recreation Private

Key Takeaway

Mack&Woodard Lake Dam-Sect 22 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	20 ft (taller than 7.1% in MO)
Dam Type	Earth
Max Storage	107 acre-ft
Normal Storage	67 acre-ft

Surface Area	10 acres
Drainage Area	70 sq mi
NID ID	MO11069

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

MACK WOODARD

Private

Nearby Dams

Mack&Woodard Lake Dam-Sect 35

Grundy, MO

Low Hazard 25 ft

Rex Gray Dam

Grundy, MO

Low Hazard 28 ft

Ward Lake Dam

Livingston, MO

Low Hazard 25 ft

Akers Lake Dam

Livingston, MO

Low Hazard 30 ft

Goodrich Lake Dam

Grundy, MO

High Hazard 25 ft

Trenton Lower Lake Dam

Grundy, MO

High Hazard 20 ft

Trenton Lake Upper Dam

Grundy, MO

High Hazard 34 ft

Trager Lake Dam West

Livingston, MO

Low Hazard 33 ft

Frequently Asked Questions

What is the hazard classification of Mack&Woodard Lake Dam-Sect 22?

Mack&Woodard Lake Dam-Sect 22 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 Mack&Woodard Lake Dam-Sect 22?

Mack&Woodard Lake Dam-Sect 22 is owned by MACK WOODARD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Mack&Woodard Lake Dam-Sect 22?

Mack&Woodard Lake Dam-Sect 22 serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Mack&Woodard Lake Dam-Sect 22?

Mack&Woodard Lake Dam-Sect 22 has a dam height of 20 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.