Lower Weir Lake Dam

Amite River· East Baton Rouge, Louisiana· Built 1985· Earth· 15 ft tall
Low Hazard Recreation Private

Key Takeaway

Lower Weir Lake Dam is classified as low hazard in Louisiana. It was completed in 1985 and is 41 years old. Its primary use is recreation.

Physical Details

Dam Height 15 ft (taller than 33.1% in LA)
Dam Length630 ft
Dam TypeEarth
Max Storage375 acre-ft
Normal Storage200 acre-ft
Surface Area25 acres
Drainage Area2 sq mi
Max Discharge465 cfs
Year Completed1985 (41 years old)
NID IDLA00541

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: January 26, 2022
State Regulated: Yes
Regulatory Agency: LA DOTD

Ownership

The Lake at White Oak Homeowners Association, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lower Weir Lake Dam?

Lower Weir Lake Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lower Weir Lake Dam?

Lower Weir Lake Dam is owned by The Lake at White Oak Homeowners Association, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lower Weir Lake Dam built?

Lower Weir Lake Dam was completed in 1985, making it 41 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 Lower Weir Lake Dam?

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

How tall is Lower Weir Lake Dam?

Lower Weir Lake Dam has a dam height of 15 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 Lower Weir Lake Dam last inspected?

Lower Weir Lake Dam was last inspected on January 26, 2022. 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.