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 2351–2375 of 7,399
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Or Mitchell Lake 1 Dam Bexar County | 32 | 1967 | Low | Not Rated |
| Operating Basins 1-5 Calhoun County | 12 | 1965 | Significant | Not Rated |
| Operating Basin No 6 Levee Calhoun County | 11 | 1968 | Significant | Not Rated |
| Operating Basin No 1 Levee Calhoun County | 13 | 1957 | Low | Not Rated |
| Onstead Gss Waller County | 21 | 1974 | Low | Not Rated |
| One At Lake Dam Liberty County | 16 | 1955 | Low | Not Rated |
| Olsen Lake Dam Bosque County | 34 | 1960 | Low | Not Rated |
| Olmos Dam Bexar County | 58 | 1926 | High | Not Rated |
| Olmitos and Garcias Crks WS SCS Site 7 Dam Starr County | 45 | 1963 | High | Fair |
| Olmitos and Garcias Crks WS SCS Site 6 Dam Starr County | 41 | 1962 | High | Fair |
| Olmitos and Garcias Crks WS SCS Site 5 Dam Starr County | 48 | 1963 | High | Fair |
| Olmitos and Garcias Crks WS SCS Site 4 Dam Starr County | 29 | 1963 | High | Unsatisfactory |
| Olmitos and Garcias Crks WS SCS Site 3 Dam Starr County | 18 | 1963 | Significant | Unsatisfactory |
| Olmitos and Garcias Crks WS SCS Site 2 Dam Starr County | 21 | 1963 | High | Not Rated |
| Olmitos and Garcias Crks WS SCS Site 1 Dam Starr County | 18 | 1962 | High | Not Rated |
| Olinick Dam Karnes County | 13 | 1960 | Low | Not Rated |
| Old Tresquilla Tank Dam Dimmit County | 25 | 1974 | Low | Not Rated |
| Old Trailway Lake Dam Montgomery County | 14 | 1964 | Low | Not Rated |
| Old Town Retention Pond Dam Collin County | 20 | 2021 | High | Satisfactory |
| Old Second Lift Dam Fort Bend County | 12 | 1948 | Low | Not Rated |
| Old Rock Tank Dam McMullen County | 15 | 1968 | Low | Not Rated |
| Old Mill Creek Dam Montgomery County | 12 | 2004 | Low | Not Rated |
| Old Langford Lake Dam Bandera County | 34 | 1944 | Low | Not Rated |
| Old Lampasas West Dam Travis County | 37 | 2001 | High | Fair |
| Old Lampasas Dam Travis County | 34 | 1984 | High | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.