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 2401–2425 of 7,399
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| O Connor Dam Johnson County | 12 | — | High | Not Rated |
| O.C. Fisher Dam Tom Green County | 130 | 1952 | High | Not Available |
| Obrien Gss Ellis County | 20 | 1981 | Low | Not Rated |
| Obbco Ranch Dam Comanche County | 11 | — | Low | Not Rated |
| Oasis Lake Dam Hemphill County | 12 | 1949 | Low | Not Rated |
| Oasis In The Pines Pond B Dam Smith County | 26 | 2012 | Low | Not Rated |
| Oak Springs Dam Travis County | 9 | — | High | Not Rated |
| Oaklawn Pond Dam Harrison County | 11 | — | High | Not Rated |
| Oakland Lake Dam Brazos County | 35 | 1962 | Significant | Fair |
| Oak Lake Dam McLennan County | 13 | 1900 | Low | Not Rated |
| Oak Hollow Dam Smith County | 16 | — | High | Not Rated |
| Oak Forest Lake Dam Robertson County | 30 | 1974 | Significant | Not Rated |
| Oak Creek Dam Coke County | 95 | 1952 | High | Fair |
| Nutt Dam Tarrant County | 16 | 1954 | Low | Not Rated |
| Nunn Lake Dam Upshur County | 18 | 1960 | Low | Not Rated |
| Nunneley Gss Montague County | 32 | 1981 | Low | Not Rated |
| Nunley Lake No 2 Dam Uvalde County | 16 | 1970 | Low | Not Rated |
| Nunley Lake No 1 Dam Uvalde County | 15 | 1970 | Low | Not Rated |
| Nueces Ranch Lake Dam McMullen County | 14 | 1960 | Low | Not Rated |
| Novice City Lake Dam Coleman County | 36 | 1947 | Low | Not Rated |
| Norwood Lake Dam Mills County | 28 | 1973 | Low | Not Rated |
| North Zulch Reservoir Dam Madison County | 18 | 1964 | Low | Not Rated |
| Northwest Park Dam Travis County | 22 | 1984 | High | Not Rated |
| Northwest Laterals WS SCS Site 9 Dam Coleman County | 27 | 1964 | Low | Not Rated |
| Northwest Laterals WS SCS Site 8 Dam Coleman County | 29 | 1963 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.