Lac Bergerac Dam

TR BIG RIVER· St. Francois, Missouri· Built 1971· Earth· 38 ft tall
Low Hazard Recreation Private

Key Takeaway

Lac Bergerac Dam is classified as low hazard in Missouri. It was completed in 1971 and is 55 years old. Its primary use is recreation.

Physical Details

Dam Height 38 ft (taller than 88.1% in MO)
Dam Length500 ft
Dam TypeEarth
Max Storage113 acre-ft
Normal Storage85 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge68 cfs
Year Completed1971 (55 years old)
Year Modified1994
NID IDMO30278

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: April 6, 2023
State Regulated: Yes
Regulatory Agency: Dam and Reservoir Safety Program

Ownership

TERRE DU LAC POA

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lac Bergerac Dam?

Lac Bergerac Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lac Bergerac Dam?

Lac Bergerac Dam is owned by TERRE DU LAC POA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lac Bergerac Dam built?

Lac Bergerac Dam was completed in 1971, making it 55 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 Lac Bergerac Dam?

Lac Bergerac 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 Lac Bergerac Dam?

Lac Bergerac Dam has a dam height of 38 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 Lac Bergerac Dam last inspected?

Lac Bergerac Dam was last inspected on April 6, 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.