25Total Dams
2High Hazard
1Significant
Dam Safety in Gonzales County, Texas
Gonzales County has 25 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification.
The average dam in Gonzales County is 64 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Lake Gonzales Dam at 42 ft.
Explore more: Oldest dams in Texas · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lake Gonzales Dam | High | Not assessed | 42 | Hydroelectric | 1931 |
| Lake Wood Dam | High | Fair | 42 | Hydroelectric | 1931 |
| Gonzales | Significant | Satisfactory | 15 | Hydroelectric | 1925 |
| Ortman Dam | Low | Not assessed | 23 | Fish and Wildlife Pond | 1991 |
| Harvey Lake Dam | Low | Not assessed | 22 | Recreation | 1966 |
| Mercer Lake No 2 Dam | Low | Not assessed | 22 | Water Supply | 1962 |
| Kelley Lake No 1 Dam | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Kelley Lake No 2 Dam | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Kelly Lake Dam | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1975 |
| Sammis Lake Dam | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| Mercer Lake No 1 Dam | Low | Not assessed | 20 | Recreation | 1962 |
| Halamicek Lake No 1 Dam | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Winkenwerder Lake Dam | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Sample Brothers Dam | Low | Not assessed | 18 | Recreation | 1977 |
| Ernst Lake Dam | Low | Not assessed | 18 | Recreation | 1978 |
| Halamicek Lake No 2 Dam | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Portales Lake Dam | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1973 |
| Quien Sabe Lake No 1 Dam | Low | Not assessed | 16 | Water Supply | 1962 |
| Jenecka Lake Dam | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Mcmannis Lake Dam | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Semmes Pond Dam | Low | Not assessed | 15 | Flood Risk Reduction | 1982 |
| Iley Lake Dam | Low | Not assessed | 14 | Water Supply | 1962 |
| Hurt Lake Dam | Low | Not assessed | 13 | Recreation | 1977 |
| Ma Wade Dam | Low | Not assessed | 11 | Hydroelectric | 1914 |
| Quien Sabe Lake No 2 Dam | Low | Not assessed | 7 | Water Supply | 1962 |