Spindletop Weir Saltwater Barrier

SPINDLETOP BAYOU· Jefferson, Texas· Built 1954· Buttress· 12 ft tall
Low Hazard Irrigation Other Local Government

Key Takeaway

Spindletop Weir Saltwater Barrier is classified as low hazard in Texas. It was completed in 1954 and is 72 years old. Its primary use is irrigation.

Physical Details

Dam Height 12 ft (taller than 7.4% in TX)
Dam Length360 ft
Dam TypeButtress
Max Storage375 acre-ft
Normal Storage185 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1954 (72 years old)
NID IDTX04182

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
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

TRINITY BAY CONSERVATION DISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Spindletop Weir Saltwater Barrier?

Spindletop Weir Saltwater Barrier 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 Spindletop Weir Saltwater Barrier?

Spindletop Weir Saltwater Barrier is owned by TRINITY BAY CONSERVATION DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Spindletop Weir Saltwater Barrier built?

Spindletop Weir Saltwater Barrier was completed in 1954, making it 72 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 Spindletop Weir Saltwater Barrier?

Spindletop Weir Saltwater Barrier serves the following purposes: Irrigation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Spindletop Weir Saltwater Barrier?

Spindletop Weir Saltwater Barrier has a dam height of 12 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.

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.