Big Lake Dam

EAST BOSQUE RIVER· Bosque, Texas· Built 1948· Earth· 54 ft tall
Low Hazard Irrigation Private

Key Takeaway

Big Lake Dam is classified as low hazard in Texas. It was completed in 1948 and is 78 years old. Its primary use is irrigation.

Physical Details

Dam Height 54 ft (taller than 95.3% in TX)
Dam Length940 ft
Dam TypeEarth
Max Storage4.3K acre-ft
Normal Storage1.2K acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Year Completed1948 (78 years old)
NID IDTX03435

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: May 11, 1982
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

LOUIS BEECHERL JR

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Big Lake Dam?

Big Lake 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 Big Lake Dam?

Big Lake Dam is owned by LOUIS BEECHERL JR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big Lake Dam built?

Big Lake Dam was completed in 1948, making it 78 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 Big Lake Dam?

Big Lake 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 Big Lake Dam?

Big Lake Dam has a dam height of 54 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 Big Lake Dam last inspected?

Big Lake Dam was last inspected on May 11, 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.