Canvasback Lake Dam

SAUZ CREEK· Bexar, Texas· Built 1911· Earth· 19 ft tall
Low Hazard Irrigation Local Government

Key Takeaway

Canvasback Lake Dam is classified as low hazard in Texas. It was completed in 1911 and is 115 years old. Its primary use is irrigation.

Physical Details

Dam Height 19 ft (taller than 30.6% in TX)
Dam Length1,200 ft
Dam TypeEarth
Max Storage730 acre-ft
Normal Storage275 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1911 (115 years old)
NID IDTX01436

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: December 7, 1983
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

BEXAR METROPOLITAN WATER DISTRICT;VERANO LAND GROUP LP

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Canvasback Lake Dam?

Canvasback 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 Canvasback Lake Dam?

Canvasback Lake Dam is owned by BEXAR METROPOLITAN WATER DISTRICT;VERANO LAND GROUP LP (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Canvasback Lake Dam built?

Canvasback Lake Dam was completed in 1911, making it 115 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 Canvasback Lake Dam?

Canvasback 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 Canvasback Lake Dam?

Canvasback Lake Dam has a dam height of 19 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 Canvasback Lake Dam last inspected?

Canvasback Lake Dam was last inspected on December 7, 1983. 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.