Lake Forest Dam

BIG BOTTOM CREEK· Ste. Genevieve, Missouri· Built 1970· Earth· 47 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Forest Dam is classified as high hazard in Missouri. It was completed in 1970 and is 56 years old. 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 47 ft (taller than 93.7% in MO)
Dam Length650 ft
Dam TypeEarth
Max Storage2.0K acre-ft
Normal Storage1.1K acre-ft
Surface Area87 acres
Drainage Area4 sq mi
Max Discharge2,309 cfs
Year Completed1970 (56 years old)
Year Modified1992
NID IDMO30087

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: Yes
Last Inspection: March 7, 2023
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

LAKE FOREST EST.ASSOC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Forest Dam?

Lake Forest 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 Lake Forest Dam?

Lake Forest Dam is owned by LAKE FOREST EST.ASSOC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Forest Dam built?

Lake Forest Dam was completed in 1970, making it 56 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 Lake Forest Dam?

Lake Forest Dam 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 Lake Forest Dam?

Lake Forest Dam has a dam height of 47 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.

When was Lake Forest Dam last inspected?

Lake Forest Dam was last inspected on March 7, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.