Calaveras Creek Dam

CALAVERAS CREEK· Bexar, Texas· Built 1969· Earth· 79 ft tall
High Hazard Hydroelectric Other Local Government

Key Takeaway

Calaveras Creek Dam is classified as high hazard in Texas. It was completed in 1969 and is 57 years old. Its primary use is hydroelectric. 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 79 ft (taller than 98.6% in TX)
Dam Length5,920 ft
Dam TypeEarth
Max Storage97.4K acre-ft
Normal Storage60.5K acre-ft
Surface Area3,391 acres
Drainage Area65 sq mi
Max Discharge129,914 cfs
Year Completed1969 (57 years old)
NID IDTX01448

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: March 7, 2018
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CITY PUBLIC SERVICE BOARD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Calaveras Creek Dam?

Calaveras Creek 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 Calaveras Creek Dam?

Calaveras Creek Dam is owned by CITY PUBLIC SERVICE BOARD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Calaveras Creek Dam built?

Calaveras Creek Dam was completed in 1969, making it 57 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 Calaveras Creek Dam?

Calaveras Creek Dam serves the following purposes: Hydroelectric, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Calaveras Creek Dam?

Calaveras Creek Dam has a dam height of 79 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 Calaveras Creek Dam last inspected?

Calaveras Creek Dam was last inspected on March 7, 2018. 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.