Canyon Lake Dam
GUADALUPE RIVER·
Comal, Texas·
Built 1964·
Earth·
224 ft tall
High Hazard
Flood Risk Reduction
Fish And Wildlife Pond
Recreation
Hydroelectric
Water Supply
Federal Government
Physical Details
| Dam Height | 224 ft (taller than 99.9% in TX) |
| Dam Length | 210 ft |
| Dam Type | Earth |
| Max Storage | 1.2M acre-ft |
| Normal Storage | 378.9K acre-ft |
| Surface Area | 8,308 acres |
| Drainage Area | 1,425 sq mi |
| Max Discharge | 502,800 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | TX00004 |
Safety Information
High Hazard
Loss of human life is likely if the dam fails
Emergency Action Plan: Yes
Last Inspection: February 2, 2023
State Regulated: No
Ownership
USACE - Fort Worth District
Federal Government
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High Hazard 58 ftFrequently Asked Questions
What is the hazard classification of Canyon Lake Dam?
Canyon Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails.
Who owns Canyon Lake Dam?
Canyon Lake Dam is owned by USACE - Fort Worth District (Federal Government).
When was Canyon Lake Dam last inspected?
Canyon Lake Dam was last inspected on February 2, 2023.
When was Canyon Lake Dam built?
Canyon Lake Dam was completed in 1964, making it 62 years old.
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.