Texas Dams
7,399 dams tracked by the National Inventory of Dams
Total Dams
7,399
High Hazard
1,604
21.7%
Poor / Unsatisfactory
257
Average Age
62 yrs
Hazard Classification
High1,604 (21.7%)
Significant558 (7.5%)
Low5,237 (70.8%)
Condition Assessment
Satisfactory276 (3.7%)
Fair795 (10.7%)
Poor / Unsatisfactory257 (3.5%)
Not Rated6,071 (82.1%)
Federal
118
State
122
Local
2,608
Private
4,512
Tallest Dams
- Amistad Dam287 ft
- Mansfield Dam278 ft
- Sanford Dam228 ft
- Canyon Lake Dam - Dike A224 ft
- Canyon Lake Dam224 ft
High Hazard Dams
- Amistad DamHigh
- Mansfield DamHigh
- Sanford DamHigh
- Canyon Lake Dam - Dike AHigh
- Canyon Lake DamHigh
Poor Condition Dams
- Amistad DamPoor
- Williamson DamUnsatisfactory
- Mitchell County Reservoir DamPoor
- LivingstonUnsatisfactory
- Lake Comanche DamUnsatisfactory
All Dams in Texas
Showing 4426–4450 of 7,399
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Marsh Lake Dam Smith County | 20 | 1965 | Significant | Fair |
| Marsh Lake Dam Wood County | 25 | 1973 | Low | Not Rated |
| Martha Houghton Lake No 1 Dam Hartley County | 12 | 1930 | Low | Not Rated |
| Martha Houghton Lake No 3 Dam Hartley County | 30 | 1971 | Low | Not Rated |
| Martha Houghton Lake No 4 Dam Hartley County | 20 | 1971 | Low | Not Rated |
| Martindale Gin Dam Guadalupe County | 10 | 1892 | Low | Not Rated |
| Martindale Tank Dam La Salle County | 10 | 1970 | Low | Not Rated |
| Martin Dam Johnson County | 8 | — | High | Fair |
| Martinena Ranch Lake Dam Webb County | 11 | 1979 | Low | Not Rated |
| Martinez Creek WS SCS Site 1 Dam Bexar County | 52 | 1964 | High | Satisfactory |
| Martinez Creek WS SCS Site 2 Dam Bexar County | 40 | 1964 | High | Satisfactory |
| Martinez Creek WS SCS Site 3 Dam Bexar County | 40 | 1964 | High | Satisfactory |
| Martinez Creek WS SCS Site 4 Dam Bexar County | 45 | 1964 | High | Satisfactory |
| Martinez Creek WS SCS Site 5 Dam Bexar County | 47 | 1964 | High | Satisfactory |
| Martinez Creek WS SCS Site 6a Dam Bexar County | 44 | 1966 | High | Satisfactory |
| Martinez Lake Dam Webb County | 10 | 1979 | Low | Not Rated |
| Martin Lake Dam Webb County | 18 | 1937 | Low | Not Rated |
| Martin Lake Dam Jack County | 28 | 1964 | Low | Not Rated |
| Martin Lake Dam Robertson County | 18 | 1958 | Low | Not Rated |
| Martin Lake Dam Rusk County | 61 | 1974 | High | Satisfactory |
| Martin Lake No 1 Dam La Salle County | 18 | 1940 | Low | Not Rated |
| Martin Lake No 2 Dam La Salle County | 14 | 1940 | Low | Not Rated |
| Martin Lake No 3 Dam La Salle County | 15 | 1940 | Low | Not Rated |
| Mary Rhodes Phase 2 Sedimentation Basin Dam Matagorda County | 13 | — | Low | Not Rated |
| Mason Lake Dam Harrison County | 15 | 1977 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.