Lake Eanes Dam

MERCER CREEK· Comanche, Texas· Built 1926· Earth· 35 ft tall
High Hazard Irrigation Private

Key Takeaway

Lake Eanes Dam is classified as high hazard in Texas. It was completed in 1926 and is 100 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 35 ft (taller than 77.6% in TX)
Dam Length1,433 ft
Dam TypeEarth
Max Storage2.8K acre-ft
Normal Storage1.1K acre-ft
Surface Area124 acres
Drainage Area15 sq mi
Max Discharge23,500 cfs
Year Completed1926 (100 years old)
NID IDTX03492

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 5, 2021
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

P&G RANCH PROPERTIES LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Eanes Dam?

Lake Eanes 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 Lake Eanes Dam?

Lake Eanes Dam is owned by P&G RANCH PROPERTIES LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Eanes Dam built?

Lake Eanes Dam was completed in 1926, making it 100 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 Lake Eanes Dam?

Lake Eanes 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 Lake Eanes Dam?

Lake Eanes Dam has a dam height of 35 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 Lake Eanes Dam last inspected?

Lake Eanes Dam was last inspected on January 5, 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.