Carrollton Water Treatment Dam

Tr-Mississippi River· Orleans, Louisiana· Built 1905· Earth· 9 ft tall
Unknown Water Supply Local Government

Key Takeaway

Carrollton Water Treatment Dam is classified as unknown in Louisiana. It was completed in 1905 and is 121 years old. Its primary use is water supply.

Physical Details

Dam Height 9 ft (taller than 6.5% in LA)
Dam Length5,130 ft
Dam TypeEarth
Max Storage99 acre-ft
Normal Storage99 acre-ft
Surface Area11 acres
Drainage Area0 sq mi
Max Discharge1 cfs
Year Completed1905 (121 years old)
Year Modified1995
NID IDLA00272

Safety Information

Unknown

Hazard potential has not been determined.

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

Emergency Action Plan: No
Last Inspection: December 5, 2014
State Regulated: No

Ownership

Sewerage and Water Board of New Orleans

Local Government

Frequently Asked Questions

What is the hazard classification of Carrollton Water Treatment Dam?

Carrollton Water Treatment Dam is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Carrollton Water Treatment Dam?

Carrollton Water Treatment Dam is owned by Sewerage and Water Board of New Orleans (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Carrollton Water Treatment Dam built?

Carrollton Water Treatment Dam was completed in 1905, making it 121 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 Carrollton Water Treatment Dam?

Carrollton Water Treatment Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Carrollton Water Treatment Dam?

Carrollton Water Treatment Dam has a dam height of 9 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 Carrollton Water Treatment Dam last inspected?

Carrollton Water Treatment Dam was last inspected on December 5, 2014. 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.