Trinidad Dam

OFF CH-TRINITY RIVER· Henderson, Texas· Built 1925· Earth· 18 ft tall
Low Hazard Other Private

Key Takeaway

Trinidad Dam is classified as low hazard in Texas. It was completed in 1925 and is 101 years old. Its primary use is other.

Physical Details

Dam Height 18 ft (taller than 25.8% in TX)
Dam Length12,000 ft
Dam TypeEarth
Max Storage10.8K acre-ft
Normal Storage7.5K acre-ft
Surface Area740 acres
Drainage Area2 sq mi
Max Discharge1,169 cfs
Year Completed1925 (101 years old)
NID IDTX00236

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: Yes
Last Inspection: June 15, 2021
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

LUMINANT POWER COMPANY LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Trinidad Dam?

Trinidad 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 Trinidad Dam?

Trinidad Dam is owned by LUMINANT POWER COMPANY LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Trinidad Dam built?

Trinidad Dam was completed in 1925, making it 101 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 Trinidad Dam?

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

How tall is Trinidad Dam?

Trinidad Dam has a dam height of 18 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 Trinidad Dam last inspected?

Trinidad Dam was last inspected on June 15, 2021. 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.