Bayou Dupont No 17

Tr-Crib Creek· Natchitoches, Louisiana· Built 1958· Earth· 28 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Bayou Dupont No 17 is classified as significant hazard in Louisiana. It was completed in 1958 and is 68 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 28 ft (taller than 84.9% in LA)
Dam Length1,010 ft
Dam TypeEarth
Max Storage951 acre-ft
Normal Storage309 acre-ft
Surface Area56 acres
Drainage Area2 sq mi
Max Discharge3,330 cfs
Year Completed1958 (68 years old)
NID IDLA00055

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: August 16, 2023
State Regulated: Yes
Regulatory Agency: LA DOTD

Ownership

Ajax Realty Company, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bayou Dupont No 17?

Bayou Dupont No 17 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 17?

Bayou Dupont No 17 is owned by Ajax Realty Company, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bayou Dupont No 17 built?

Bayou Dupont No 17 was completed in 1958, making it 68 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 17?

Bayou Dupont No 17 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 17?

Bayou Dupont No 17 has a dam height of 28 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 17 last inspected?

Bayou Dupont No 17 was last inspected on August 16, 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.