Tdcj Wainwright Unit Reservoir Dam

OFF CH-TRINITY RIVER· Houston, Texas· Built 1957· Earth· 11 ft tall
Low Hazard State Government

Key Takeaway

Tdcj Wainwright Unit Reservoir Dam is classified as low hazard in Texas. It was completed in 1957 and is 69 years old.

Physical Details

Dam Height 11 ft (taller than 6.1% in TX)
Dam Length6,535 ft
Dam TypeEarth
Max Storage540 acre-ft
Normal Storage540 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1957 (69 years old)
NID IDTX03286

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

TEXAS DEPARTMENT OF CRIMINAL JUSTICE

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tdcj Wainwright Unit Reservoir Dam?

Tdcj Wainwright Unit Reservoir 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 Tdcj Wainwright Unit Reservoir Dam?

Tdcj Wainwright Unit Reservoir Dam is owned by TEXAS DEPARTMENT OF CRIMINAL JUSTICE (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tdcj Wainwright Unit Reservoir Dam built?

Tdcj Wainwright Unit Reservoir Dam was completed in 1957, making it 69 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Tdcj Wainwright Unit Reservoir Dam?

Tdcj Wainwright Unit Reservoir Dam has a dam height of 11 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.