Mustang Lake West Dam

OFF CH-MUSTANG BAYOU· Brazoria, Texas· Built 1938· Earth· 13 ft tall
High Hazard Irrigation Other Local Government

Key Takeaway

Mustang Lake West Dam is classified as high hazard in Texas. It was completed in 1938 and is 88 years old. Its primary use is irrigation. 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 13 ft (taller than 10.2% in TX)
Dam Length20,500 ft
Dam TypeEarth
Max Storage3.8K acre-ft
Normal Storage2.9K acre-ft
Surface Area340 acres
Drainage Area1 sq mi
Year Completed1938 (88 years old)
NID IDTX01772

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: March 9, 1982
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

GULF COAST WATER AUTHORITY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mustang Lake West Dam?

Mustang Lake West 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 Mustang Lake West Dam?

Mustang Lake West Dam is owned by GULF COAST WATER AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mustang Lake West Dam built?

Mustang Lake West Dam was completed in 1938, making it 88 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 Mustang Lake West Dam?

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

How tall is Mustang Lake West Dam?

Mustang Lake West Dam has a dam height of 13 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 Mustang Lake West Dam last inspected?

Mustang Lake West Dam was last inspected on March 9, 1982. 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.