Pat Mayse Dam

SANDERS CREEK· Lamar, Texas· Built 1967· Earth· 96 ft tall
High Hazard Flood Risk Reduction Recreation Water Supply Federal Government

Key Takeaway

Pat Mayse Dam is classified as high hazard in Texas. It was completed in 1967 and is 59 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 96 ft (taller than 99.2% in TX)
Dam Length7,080 ft
Dam TypeEarth
Max Storage457.8K acre-ft
Normal Storage189.1K acre-ft
Surface Area5,993 acres
Drainage Area175 sq mi
Max Discharge4,450 cfs
Year Completed1967 (59 years old)
NID IDTX04359

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: January 12, 2022
State Regulated: No

Ownership

USACE - Tulsa District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pat Mayse Dam?

Pat Mayse Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Pat Mayse Dam?

Pat Mayse Dam is owned by USACE - Tulsa District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pat Mayse Dam built?

Pat Mayse Dam was completed in 1967, making it 59 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 Pat Mayse Dam?

Pat Mayse Dam serves the following purposes: Flood Risk Reduction, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Pat Mayse Dam?

Pat Mayse Dam has a dam height of 96 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 Pat Mayse Dam last inspected?

Pat Mayse Dam was last inspected on January 12, 2022. 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.