Gonzales
Gonzales is a gravity dam located in Gonzales County, Texas, built in 1925. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Gonzales
The primary purpose of Gonzales is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by City Of Gonzales (local government). It impounds the Guadalupe River near Gonzales.
The dam stands 15 feet tall and stretches 258 feet across, creates a reservoir covering 300 acres, has a maximum storage capacity of 1,400 acre-feet, and collects water from a drainage area of 3,450 square miles. Completed in 1925, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/07/2022.
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Location
| State | Texas |
| County | Gonzales |
| Nearest City | Gonzales |
| River/Stream | Guadalupe River |
| Coordinates | 29.49708, -97.45549 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 258 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 1,400 acre-ft |
| Max Storage | 1,400 acre-ft |
| Normal Storage | 1,400 acre-ft |
| Surface Area | 300 acres |
| Drainage Area | 3,450 sq mi |
| Max Discharge | 7,848 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | City of Gonzales |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/07/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX04823 |
| Federal ID | TX04823 |
| More Info | State Dam Safety Program |