85Total Dams
34High Hazard
7Significant
Dam Safety in McLennan County, Texas
McLennan County has 85 dams tracked in the National Inventory of Dams. Of these, 34 are classified as high hazard — meaning failure would probably cause loss of human life. Another 7 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.
The average dam in McLennan County is 62 years old. The most common purpose is flood risk reduction. The tallest dam is Waco Dam at 145 ft.
Explore more: Oldest dams in Texas · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Waco Dam | High | Not assessed | 145 | Flood Risk Reduction | 1965 |
| Tradinghouse Dam | High | Satisfactory | 60 | Other | 1968 |
| Castleman Creek Ws Scs Site 1 Dam | High | Fair | 52 | Flood Risk Reduction | 1970 |
| Cow Bayou Ws Scs Site 25 Dam | High | Fair | 47 | Flood Risk Reduction | 1964 |
| Tehuacana Creek Ws Scs Site 19 Dam | High | Fair | 45 | Flood Risk Reduction | 1966 |
| Tehuacana Creek Ws Scs Site 17 Dam | High | Fair | 45 | Flood Risk Reduction | 1973 |
| Tehuacana Creek Ws Scs Site 14 Dam | High | Fair | 42 | Flood Risk Reduction | 1963 |
| Cow Bayou Ws Scs Site 26 Dam | High | Fair | 42 | Flood Risk Reduction | 1964 |
| Tehuacana Creek Ws Scs Site 21 Dam | High | Fair | 40 | Flood Risk Reduction | 1965 |
| Tehuacana Creek Ws Scs Site 25 Dam | High | Fair | 40 | Flood Risk Reduction | 1963 |
| Cow Bayou Ws Scs Site 28 Dam | High | Fair | 38 | Flood Risk Reduction | 1965 |
| Cow Bayou Ws Scs Site 3 Dam | High | Fair | 38 | Flood Risk Reduction | 1955 |
| Tehuacana Creek Ws Scs Site 15 Dam | High | Fair | 38 | Flood Risk Reduction | 1969 |
| Cow Bayou Ws Scs Site 29 Dam | High | Unsatisfactory | 35 | Flood Risk Reduction | 1965 |
| Cow Bayou Ws Scs Site 8 Dam | High | Unsatisfactory | 35 | Flood Risk Reduction | 1955 |
| Castleman Creek Ws Scs Site 3 Dam | High | Fair | 34 | Flood Risk Reduction | 1971 |
| Lake Brazos Dam | High | Fair | 33 | Recreation | 1970 |
| Castleman Creek Ws Scs Site 2 Dam | High | Fair | 33 | Flood Risk Reduction | 1970 |
| Tehuacana Creek Ws Scs Site 18 Dam | High | Fair | 33 | Flood Risk Reduction | 1969 |
| New Mart Lake Dam | High | Unsatisfactory | 32 | Irrigation | 1925 |
| Tehuacana Creek Ws Scs Site 20 Dam | High | Fair | 32 | Flood Risk Reduction | 1963 |
| Tehuacana Creek Ws Scs Site 26 Dam | High | Fair | 32 | Flood Risk Reduction | 1963 |
| Castleman Creek Ws Scs Site 4 Dam | High | Fair | 31 | Flood Risk Reduction | 1975 |
| Cow Bayou Ws Scs Site 10 Dam | High | Fair | 31 | Flood Risk Reduction | 1958 |
| Tehuacana Creek Ws Scs Site 24 Dam | High | Fair | 30 | Flood Risk Reduction | 1971 |
| Cow Bayou Ws Scs Site 11e Dam | High | Unsatisfactory | 27 | Flood Risk Reduction | 1964 |
| Castleman Creek Ws Scs Site 6 Dam | High | Fair | 27 | Flood Risk Reduction | 1971 |
| Robinson Off-channel Reservoirs 1a and 1b | High | Fair | 24 | Water Supply | 1992 |
| Tehuacana Creek Ws Scs Site 22 Dam | High | Fair | 24 | Flood Risk Reduction | 1963 |
| Rainbow Lake Dam No 2 | High | Poor | 23 | Recreation | 1924 |
| Tehuacana Creek Ws Scs Site 23 Dam | High | Fair | 23 | Flood Risk Reduction | 1963 |
| Rainbow Lake Dam No 1 | High | Fair | 20 | Recreation | 1924 |
| Boys Ranch Road Dam | High | Poor | 17 | ||
| Wo Gross Jr Dam | High | Fair | 15 | Recreation | 1930 |
| Lake Creek Dam | Significant | Fair | 50 | Other | 1953 |
| Tehuacana Creek Ws Scs Site 6 Dam | Significant | Fair | 43 | Flood Risk Reduction | 1970 |
| Sces Reclaimed Water Dam | Significant | Not assessed | 40 | 2009 | |
| Cow Bayou Ws Scs Site 18 Dam | Significant | Not assessed | 33 | Flood Risk Reduction | 1964 |
| Cow Bayou Ws Scs Site 19 Dam | Significant | Not assessed | 30 | Flood Risk Reduction | 1964 |
| Mahoney South Lake Dam | Significant | Fair | 24 | Recreation | 1965 |
| County Line Road South Dam | Significant | Fair | 9 | 2020 | |
| Cow Bayou Ws Scs Site 5 Dam | Low | Not assessed | 71 | Flood Risk Reduction | 1957 |
| Cow Bayou Ws Scs Site 6 Dam | Low | Not assessed | 58 | Flood Risk Reduction | 1954 |
| Cow Bayou Ws Scs Site 4 Dam | Low | Not assessed | 54 | Flood Risk Reduction | 1956 |
| Tehuacana Creek Ws Scs Site 9 Dam | Low | Not assessed | 48 | Flood Risk Reduction | 1975 |
| Tehuacana Creek Ws Scs Site 12 Dam | Low | Not assessed | 44 | Flood Risk Reduction | 1963 |
| Cow Bayou Ws Scs Site 2 Dam | Low | Not assessed | 44 | Flood Risk Reduction | 1958 |
| Lake Buckellen Dam | Low | Not assessed | 42 | Water Supply | 1965 |
| Cow Bayou Ws Scs Site 12 Dam | Low | Not assessed | 42 | Flood Risk Reduction | 1964 |
| Cow Bayou Ws Scs Site 20 Dam | Low | Not assessed | 41 | Flood Risk Reduction | 1964 |
| Cow Bayou Ws Scs Site 22 Dam | Low | Not assessed | 41 | Flood Risk Reduction | 1964 |
| Tehuacana Creek Ws Scs Site 29 Dam | Low | Not assessed | 40 | Flood Risk Reduction | 1963 |
| Cow Bayou Ws Scs Site 24 Dam | Low | Not assessed | 39 | Flood Risk Reduction | 1964 |
| Tehuacana Creek Ws Scs Site 11 Dam | Low | Not assessed | 39 | Flood Risk Reduction | 1963 |
| Tehuacana Creek Ws Scs Site 10 Dam | Low | Not assessed | 39 | Flood Risk Reduction | 1969 |
| Tehuacana Creek Ws Scs Site 28 Dam | Low | Not assessed | 39 | Flood Risk Reduction | 1963 |
| Cow Bayou Ws Scs Site 1 Dam | Low | Not assessed | 34 | Flood Risk Reduction | 1954 |
| Cow Bayou Ws Scs Site 11b Dam | Low | Not assessed | 33 | Flood Risk Reduction | 1964 |
| Cow Bayou Ws Scs Site 17 Dam | Low | Not assessed | 33 | Flood Risk Reduction | 1964 |
| Tehuacana Creek Ws Scs Site 16 Dam | Low | Not assessed | 32 | Flood Risk Reduction | 1969 |
| Thompson Lake Dam | Low | Not assessed | 31 | Water Supply | 1975 |
| Cow Bayou Ws Scs Site 21 Dam | Low | Not assessed | 31 | Flood Risk Reduction | 1964 |
| Denton Lake Dam | Low | Not assessed | 30 | 1981 | |
| Cow Bayou Ws Scs Site 23 Dam | Low | Not assessed | 30 | Flood Risk Reduction | 1964 |
| Wilbanks Dam | Low | Not assessed | 29 | Recreation | 1973 |
| Cow Bayou Ws Scs Gss 1 | Low | Not assessed | 29 | Flood Risk Reduction | 1965 |
| Eagle Canyon Lake Dam | Low | Not assessed | 28 | Recreation | 1965 |
| Tehuacana Creek Ws Scs Site 8 Dam | Low | Not assessed | 28 | Flood Risk Reduction | 1964 |
| Cow Bayou Ws Scs Site 11c Dam | Low | Not assessed | 26 | Flood Risk Reduction | 1964 |
| Tehuacana Creek Ws Scs Gss 103 | Low | Not assessed | 25 | Flood Risk Reduction | 1977 |
| Bass Lake Dam | Low | Not assessed | 23 | Water Supply | 1957 |
| Felton Lower Lake Dam | Low | Not assessed | 22 | Recreation | 1938 |
| James Maguire Dam | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | |
| Kunze Lake Dam | Low | Not assessed | 19 | Water Supply | 1974 |
| John M Brinegar Dam | Low | Not assessed | 19 | 1967 | |
| Patterson Dam | Low | Not assessed | 18 | Water Supply | 1957 |
| Yowell Lake Dam | Low | Not assessed | 18 | Water Supply | 1957 |
| Hall Lake Dam | Low | Not assessed | 17 | Irrigation | 1957 |
| Castleman Creek Ws Scs Site 7 Dam | Low | Not assessed | 17 | Flood Risk Reduction | 1975 |
| Elm Lake Dam | Low | Not assessed | 16 | Water Supply | 1957 |
| Vrbas Lake Dam | Low | Not assessed | 16 | Water Supply | 1976 |
| Hesse Lake Dam | Low | Not assessed | 16 | Recreation | 1957 |
| Felton Upper Lake Dam | Low | Not assessed | 16 | Water Supply | 1938 |
| Oak Lake Dam | Low | Not assessed | 13 | Recreation | 1900 |
| Rolling Hills Country Club Lake Dam | Low | Not assessed | 13 | Water Supply | 1976 |