Wallace Lake Dam

CYPRESS BAYOU· Caddo, Louisiana· Built 1946· Earth·
High Hazard Flood Risk Reduction Recreation Federal Government

Key Takeaway

Wallace Lake Dam is classified as high hazard in Louisiana. It was completed in 1946 and is 80 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 Length4,930 ft
Dam TypeEarth
Max Storage267.7K acre-ft
Normal Storage7.8K acre-ft
Surface Area2,300 acres
Drainage Area260 sq mi
Max Discharge112,700 cfs
Year Completed1946 (80 years old)
NID IDLA00180

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: July 30, 2021
State Regulated: No

Ownership

USACE - Vicksburg District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wallace Lake Dam?

Wallace 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 Wallace Lake Dam?

Wallace Lake Dam is owned by USACE - Vicksburg District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wallace Lake Dam built?

Wallace Lake Dam was completed in 1946, making it 80 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 Wallace Lake Dam?

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

When was Wallace Lake Dam last inspected?

Wallace Lake Dam was last inspected on July 30, 2021. 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.