Tdcj Wainwright Unit Garden Lake Dam

TR-TRINITY RIVER· Houston, Texas· Built 1939· Earth· 24 ft tall
Low Hazard Irrigation State Government

Key Takeaway

Tdcj Wainwright Unit Garden Lake Dam is classified as low hazard in Texas. It was completed in 1939 and is 87 years old. Its primary use is irrigation.

Physical Details

Dam Height 24 ft (taller than 47.7% in TX)
Dam Length575 ft
Dam TypeEarth
Max Storage340 acre-ft
Normal Storage200 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1939 (87 years old)
NID IDTX03287

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: March 23, 1983
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 Garden Lake Dam?

Tdcj Wainwright Unit Garden 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 Tdcj Wainwright Unit Garden Lake Dam?

Tdcj Wainwright Unit Garden Lake 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 Garden Lake Dam built?

Tdcj Wainwright Unit Garden Lake Dam was completed in 1939, making it 87 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 Tdcj Wainwright Unit Garden Lake Dam?

Tdcj Wainwright Unit Garden Lake Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tdcj Wainwright Unit Garden Lake Dam?

Tdcj Wainwright Unit Garden Lake Dam has a dam height of 24 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 Tdcj Wainwright Unit Garden Lake Dam last inspected?

Tdcj Wainwright Unit Garden Lake Dam was last inspected on March 23, 1983. 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.