Marietta Dam

WHITE ROCK CREEK· Houston, Texas· Built 1957· Earth· 20 ft tall
Low Hazard Irrigation Private

Key Takeaway

Marietta Dam is classified as low hazard in Texas. It was completed in 1957 and is 69 years old. Its primary use is irrigation.

Physical Details

Dam Height 20 ft (taller than 33.5% in TX)
Dam Length0 ft
Dam TypeEarth
Max Storage242 acre-ft
Normal Storage40 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1957 (69 years old)
NID IDTX09064

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 15, 1969
State Regulated: No

Ownership

ERNEST MARIETTA ET UX

Private

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Frequently Asked Questions

What is the hazard classification of Marietta Dam?

Marietta 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 Marietta Dam?

Marietta Dam is owned by ERNEST MARIETTA ET UX (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Marietta Dam built?

Marietta 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.

What is the primary purpose of Marietta Dam?

Marietta 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 Marietta Dam?

Marietta Dam has a dam height of 20 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 Marietta Dam last inspected?

Marietta Dam was last inspected on January 15, 1969. 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.