Brown Lake Dam

TRIB. OF ST. JOHN'S CREEK· Franklin, Missouri· Built 1982· Earth· 30 ft tall
High Hazard Private

Key Takeaway

Brown Lake Dam is classified as high hazard in Missouri. It was completed in 1982 and is 44 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 30 ft (taller than 63.5% in MO)
Dam TypeEarth
Max Storage273 acre-ft
Normal Storage170 acre-ft
Surface Area17 acres
Drainage Area175 sq mi
Year Completed1982 (44 years old)
NID IDMO31850

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

BROWN QUARRIES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Brown Lake Dam?

Brown 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 Brown Lake Dam?

Brown Lake Dam is owned by BROWN QUARRIES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Brown Lake Dam built?

Brown Lake Dam was completed in 1982, making it 44 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Brown Lake Dam?

Brown Lake Dam has a dam height of 30 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.