Russell B. Long Lock and Dam

RED RIVER· Red River, Louisiana· Built 1995· Gravity·
Significant Hazard Navigation Recreation Water Supply Federal Government

Key Takeaway

Russell B. Long Lock and Dam is classified as significant hazard in Louisiana. It was completed in 1995 and is 31 years old. Its primary use is navigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length681 ft
Dam TypeGravity
Max Storage70.5K acre-ft
Normal Storage70.5K acre-ft
Surface Area7,500 acres
Drainage Area63,350 sq mi
Max Discharge227,400 cfs
Year Completed1995 (31 years old)
NID IDLA00583

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: May 9, 2023
State Regulated: No

Ownership

USACE - Vicksburg District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Russell B. Long Lock and Dam?

Russell B. Long Lock and Dam 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 Russell B. Long Lock and Dam?

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

When was Russell B. Long Lock and Dam built?

Russell B. Long Lock and Dam was completed in 1995, making it 31 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 Russell B. Long Lock and Dam?

Russell B. Long Lock and Dam serves the following purposes: Navigation, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Russell B. Long Lock and Dam last inspected?

Russell B. Long Lock and Dam was last inspected on May 9, 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.