Bayou Dupont No 7

Bayou Adois· Sabine, Louisiana· Built 1961· Earth· 32 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Bayou Dupont No 7 is classified as significant hazard in Louisiana. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 32 ft (taller than 90.7% in LA)
Dam Length1,708 ft
Dam TypeEarth
Max Storage504 acre-ft
Normal Storage84 acre-ft
Surface Area23 acres
Drainage Area3 sq mi
Max Discharge1,345 cfs
Year Completed1961 (65 years old)
NID IDLA00014

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: July 14, 2020
State Regulated: Yes
Regulatory Agency: LA DOTD

Ownership

L&M Land & Cattle, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bayou Dupont No 7?

Bayou Dupont No 7 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Bayou Dupont No 7?

Bayou Dupont No 7 is owned by L&M Land & Cattle, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bayou Dupont No 7 built?

Bayou Dupont No 7 was completed in 1961, making it 65 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 Bayou Dupont No 7?

Bayou Dupont No 7 serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Bayou Dupont No 7?

Bayou Dupont No 7 has a dam height of 32 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 Bayou Dupont No 7 last inspected?

Bayou Dupont No 7 was last inspected on July 14, 2020. 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.