Walton Lake Dam

SOUTH FORK SAN GERONIMO CREEK· Bandera, Texas· Built 1940· Earth· 50 ft tall
High Hazard Recreation Private

Key Takeaway

Walton Lake Dam is classified as high hazard in Texas. It was completed in 1940 and is 86 years old. Its primary use is recreation. 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 50 ft (taller than 93.5% in TX)
Dam Length1,250 ft
Dam TypeEarth
Max Storage627 acre-ft
Normal Storage189 acre-ft
Surface Area20 acres
Drainage Area2 sq mi
Max Discharge4,760 cfs
Year Completed1940 (86 years old)
NID IDTX02903

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: No
Last Inspection: January 31, 2019
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

OSAMA ATTAL

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Walton Lake Dam?

Walton Lake 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 Walton Lake Dam?

Walton Lake Dam is owned by OSAMA ATTAL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Walton Lake Dam built?

Walton Lake Dam was completed in 1940, making it 86 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 Walton Lake Dam?

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

How tall is Walton Lake Dam?

Walton Lake Dam has a dam height of 50 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 Walton Lake Dam last inspected?

Walton Lake Dam was last inspected on January 31, 2019. 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.