23Total Dams
6High Hazard
1Significant
Dam Safety in Duval County, Texas
Duval County has 23 dams tracked in the National Inventory of Dams. Of these, 6 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 Duval County is 62 years old. The most common purpose is flood risk reduction. The tallest dam is San Diego-rosita Cks Ws Scs Site 9 Dam at 38 ft.
Explore more: Oldest dams in Texas · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| San Diego-rosita Cks Ws Scs Site 9 Dam | High | Not assessed | 38 | Flood Risk Reduction | 1967 |
| San Diego-rosita Cks Ws Scs Site 7 Dam | High | Fair | 35 | Flood Risk Reduction | 1964 |
| San Diego-rosita Cks Ws Scs Site 11 Dam | High | Fair | 32 | Flood Risk Reduction | 1962 |
| San Diego-rosita Cks Ws Scs Site 10 Dam | High | Not assessed | 32 | Flood Risk Reduction | 1968 |
| San Diego-rosita Cks Ws Scs Site 1 Dam | High | Fair | 31 | Flood Risk Reduction | 1960 |
| San Diego-rosita Cks Ws Scs Site 8 Dam | High | Not assessed | 28 | Flood Risk Reduction | 1964 |
| San Diego-rosita Cks Ws Scs Site 2 Dam | Significant | Not assessed | 31 | Flood Risk Reduction | 1961 |
| San Diego-rosita Cks Ws Scs Site 4 Dam | Low | Not assessed | 37 | Flood Risk Reduction | 1965 |
| San Diego-rosita Cks Ws Scs Site 3 Dam | Low | Not assessed | 36 | Flood Risk Reduction | 1963 |
| Chiltipin-san Fernando Cks Ws Scs Site 2 Dam | Low | Not assessed | 30 | Flood Risk Reduction | 1961 |
| San Diego-rosita Cks Ws Scs Site 5 Dam | Low | Not assessed | 29 | Flood Risk Reduction | 1966 |
| Wright Brothers Materials Plant Dam | Low | Not assessed | 22 | Other | 1934 |
| Muralla Tank Dam | Low | Not assessed | 20 | Water Supply | 1969 |
| Duval County Ranch Lloyd Tank Dam | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Piedra Tank Dam | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| Charamusca Dam 1 | Low | Not assessed | 13 | Water Supply | 1958 |
| Duval County Ranch Colmena Tank Dam | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Duval County Ranch Conchola Tank Dam | Low | Not assessed | 12 | Water Supply | 1969 |
| Duval County Ranch Lake No 1 Dam | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Duval County Ranch Lake No 2 Dam | Low | Not assessed | 10 | Water Supply | 1969 |
| Duval County Ranch Colorado Tank Dam | Low | Not assessed | 9 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Duval County Ranch Crump Tank Dam | Low | Not assessed | 9 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Duval County Ranch Cochina Tank Dam | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1969 |