116Total Dams
11High Hazard
2Significant
Dam Safety in Webb County, Texas
Webb County has 116 dams tracked in the National Inventory of Dams. Of these, 11 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in Webb County is 63 years old. The most common purpose is water supply. The tallest dam is Lake Casa Blanca Dam at 78 ft.
Explore more: Oldest dams in Texas · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lake Casa Blanca Dam | High | Fair | 78 | Irrigation | 1946 |
| Nopalosa Reservoir Dam | High | Fair | 37 | Irrigation | 1927 |
| Clark Lake Dam | High | Unsatisfactory | 23 | Fire Protection, Stock, Or Small Fish Pond | 1917 |
| Farias Farm Lake Dam | High | Not assessed | 22 | Irrigation | 1950 |
| San Isidro Detention Pond No 3 Dam | High | Satisfactory | 18 | Flood Risk Reduction | |
| Paul Young Ranch Lake Dam | High | Fair | 17 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Rafael B Garcia Dam | High | Fair | 16 | Fire Protection, Stock, Or Small Fish Pond | 1976 |
| Spohn Ranch Lake Dam | High | Not assessed | 15 | 1965 | |
| Lago Del Valle Dam | High | Not assessed | 15 | Flood Risk Reduction | 1950 |
| Wright Dam No 2 | High | Unsatisfactory | 13 | 1911 | |
| Lomas Del Sur Detention Pond Dam | High | Not assessed | 13 | Flood Risk Reduction | 1911 |
| Vaquillas Lake No 1 Dam | Significant | Not assessed | 20 | Water Supply | 1967 |
| Vaquillas Dam No 2 | Significant | Not assessed | 15 | Water Supply | 1967 |
| Rancho Blanco | Low | Not assessed | 49 | Irrigation | 1943 |
| Middle Pasture Lake Dam | Low | Not assessed | 32 | Water Supply | 1959 |
| Vaquillas Dam | Low | Not assessed | 28 | Irrigation | 1967 |
| Boldt Pit Dam | Low | Not assessed | 27 | ||
| Zachry Lake No 2 Dam | Low | Not assessed | 26 | 1979 | |
| South Lower Jardin Tank Dam | Low | Not assessed | 26 | ||
| Retama Lake Dam | Low | Not assessed | 25 | Water Supply | 1965 |
| Guyler Tank Dam | Low | Not assessed | 25 | ||
| Big Mesquite Dam | Low | Not assessed | 25 | 1974 | |
| Ward Lee Tank Dam | Low | Not assessed | 24 | ||
| Zachry Lake No 3 Dam | Low | Not assessed | 24 | 1979 | |
| Traylor Lake Dam | Low | Not assessed | 24 | Water Supply | 1969 |
| Big Tank Dam Briscoe | Low | Not assessed | 24 | 1967 | |
| Palafox Mine Pond Sp-16 Dam | Low | Not assessed | 24 | 1993 | |
| 7h Pit Dam | Low | Not assessed | 23 | ||
| Como Chiquita Tank Dam | Low | Not assessed | 23 | ||
| Hubbard Lake No 1 Dam | Low | Not assessed | 23 | 1937 | |
| Flores Lake Dam | Low | Not assessed | 22 | Water Supply | 1977 |
| North Apache Ranch Lake Dam | Low | Not assessed | 22 | 1974 | |
| Link Lake No 1 Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Lower Guajalote Dam | Low | Not assessed | 21 | ||
| Milstead Lake Dam | Low | Not assessed | 21 | Water Supply | 1965 |
| Espada Pit Lake Dam | Low | Not assessed | 21 | 1974 | |
| Big Tank Dam Nunley | Low | Not assessed | 21 | 1960 | |
| Watson Pond Dam | Low | Not assessed | 20 | ||
| Gates Lake Dam | Low | Not assessed | 20 | Water Supply | 1967 |
| Rhodes Lake Dam | Low | Not assessed | 20 | Water Supply | 1937 |
| Las Minas Ranch Dam No 1-59 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1959 |
| Abbott & Clapp Lake Dam | Low | Not assessed | 19 | Recreation | 1960 |
| Bubba Pit Dam | Low | Not assessed | 18 | ||
| Galvan No 1 Pit Dam | Low | Not assessed | 18 | ||
| Martin Lake Dam | Low | Not assessed | 18 | Recreation | 1937 |
| Walker Lake Dam | Low | Not assessed | 18 | Water Supply | 1937 |
| 1500 Tank Dam | Low | Not assessed | 18 | ||
| Wright Dam No 1 | Low | Not assessed | 18 | Water Supply | 1928 |
| La Mesa Ranch Lake Dam | Low | Not assessed | 18 | 1974 | |
| Vaquillas Ranch Lake No 4 Dam | Low | Not assessed | 18 | Water Supply | 1937 |
| Gates Lake No 1 Dam | Low | Not assessed | 18 | Recreation | 1940 |
| Ojitos Trap Dam | Low | Not assessed | 17 | ||
| Lundell Lake Dam | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Javaline Tank Dam | Low | Not assessed | 17 | ||
| Hirsch Estate Lake No 2 Dam | Low | Not assessed | 17 | 1979 | |
| Gene Walker Lake Dam | Low | Not assessed | 17 | 1952 | |
| Mil Ojos Camp Lake Dam | Low | Not assessed | 17 | 1965 | |
| Gates Lake No 2 Dam | Low | Not assessed | 17 | Water Supply | 1972 |
| House Pasture Tank No 1 Dam | Low | Not assessed | 17 | ||
| Lamesa Ranch Dam No 1-74 | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Palafox Mine Pond Sp-12 Dam | Low | Not assessed | 17 | 1993 | |
| Killam No1 82 Pond Dam | Low | Not assessed | 16 | 1982 | |
| South Apache Ranch Lake Dam | Low | Not assessed | 16 | 1974 | |
| Vaquillas Lake No 3 Dam | Low | Not assessed | 16 | Water Supply | 1937 |
| South Losa Tank Dam | Low | Not assessed | 16 | ||
| Chupahueso Lake No 1 Dam | Low | Not assessed | 16 | Water Supply | 1965 |
| Palafox Mine Pond Sp-14 Dam | Low | Not assessed | 16 | 1993 | |
| San Ambrosia Tank Dam | Low | Not assessed | 16 | 1938 | |
| Ojita Tank Dam | Low | Not assessed | 16 | 1938 | |
| Apache Tank Dam | Low | Not assessed | 15 | ||
| Killam Lake No 2 Dam | Low | Not assessed | 15 | 1965 | |
| Quatralvo Tank Dam | Low | Not assessed | 15 | ||
| Quiros Lake Dam | Low | Not assessed | 15 | Water Supply | 1967 |
| Leo Flores Lake Dam | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Apache 2 Tank Dam | Low | Not assessed | 15 | ||
| Link Lake No 2 Dam | Low | Not assessed | 15 | Recreation | 1979 |
| Mega Pit Dam | Low | Not assessed | 14 | ||
| Middle Tordillo Dam | Low | Not assessed | 14 | ||
| Swisher Lake Dam | Low | Not assessed | 14 | Irrigation | 1939 |
| Galvan No 2 Pit Dam | Low | Not assessed | 14 | ||
| Wright Dam No 5 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | |
| Santo Tomas Tank Dam | Low | Not assessed | 14 | 1965 | |
| Wright Dam No 4 | Low | Not assessed | 14 | Water Supply | 1911 |
| Rodriguez Ranch Dam No 1-80 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1980 |
| Chupahueso Lake No 2 Dam | Low | Not assessed | 14 | Water Supply | 1965 |
| East Losa 2 Tank Dam | Low | Not assessed | 14 | ||
| Ronald Moore Ranch Dam No 1-82 | Low | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1982 |
| Rachal Mine Pond Sp-1 Dam | Low | Not assessed | 14 | 1992 | |
| Big Tank No 2 Dam | Low | Not assessed | 14 | 1979 | |
| Frank Nunley Lake Dam | Low | Not assessed | 13 | 1979 | |
| Killam Lake No 1 Dam | Low | Not assessed | 13 | Water Supply | 1977 |
| No 12 Tank Dam | Low | Not assessed | 13 | ||
| West Losa Tank Dam | Low | Not assessed | 13 | ||
| Vergara Ranch Dam No 1-73 | Low | Not assessed | 13 | Fire Protection, Stock, Or Small Fish Pond | 1973 |
| Colwell Lake Dam | Low | Not assessed | 12 | 1979 | |
| San Ramon Dam | Low | Not assessed | 12 | Irrigation | 1927 |
| Hubbard Lake No 2 Dam | Low | Not assessed | 12 | 1933 | |
| Pilla Tank Dam | Low | Not assessed | 11 | 1990 | |
| Hirsch Estate Lake No 1 Dam | Low | Not assessed | 11 | 1979 | |
| Minnie Martin Lake Dam | Low | Not assessed | 11 | 1979 | |
| Martinena Ranch Lake Dam | Low | Not assessed | 11 | 1979 | |
| Leo Flores Lake Dam No 2 | Low | Not assessed | 11 | Fire Protection, Stock, Or Small Fish Pond | 1981 |
| Las Raices Dam | Low | Not assessed | 10 | ||
| Trevino Lake Dam | Low | Not assessed | 10 | Water Supply | 1977 |
| Tiller Lake Dam | Low | Not assessed | 10 | 1974 | |
| Traylor Lake No 2 Dam | Low | Not assessed | 10 | 1977 | |
| Martinez Lake Dam | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Biel Lake South Dam | Low | Not assessed | 10 | ||
| Vergara Ranch Dam No 2-72 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1972 |
| Lamesa Ranch Dam No 1-64 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Lamesa Ranch Dam No 1-60 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Palafox Mine Pond Sp-13 Dam | Low | Not assessed | 10 | 1993 | |
| Galvan No 3 Pit Dam | Low | Not assessed | 9 | ||
| Wise Tank Dam | Low | Not assessed | 9 | 1977 | |
| Leyendecker Lake Dam | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Lamesa Ranch Dam No 1-58 | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1958 |