Dams in Collin County, Texas
160Total Dams
86High Hazard
10Significant
Dam Safety in Collin County, Texas
Collin County has 160 dams tracked in the National Inventory of Dams. Of these, 86 are classified as high hazard — meaning failure would probably cause loss of human life. Another 10 carry a significant hazard classification. Currently, 4 dams have a condition assessment of poor or unsatisfactory.
The average dam in Collin County is 59 years old. The most common purpose is flood risk reduction. The tallest dam is Lavon Dam at 81 ft.
Explore more: Oldest dams in Texas · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lavon Dam | High | Not Available | 81 | Flood Risk Reduction | 1952 |
| East Fork Above Lavon Ws Scs Site 46 Dam | High | Fair | 55 | Flood Risk Reduction | 1960 |
| East Fork Above Lavon Ws Scs Site 3b Dam | High | Satisfactory | 55 | Flood Risk Reduction | 1958 |
| East Fork Above Lavon Ws Scs Site 1a Dam | High | Not Rated | 54 | Flood Risk Reduction | 1957 |
| East Fork Above Lavon Ws Scs Site 2a Dam | High | Fair | 53 | Flood Risk Reduction | 1958 |
| East Fork Above Lavon Ws Scs Site 4 Dam | High | Satisfactory | 53 | Flood Risk Reduction | 1959 |
| Sister Grove Creek Ws Scs Site 9 Dam | High | Fair | 50 | Flood Risk Reduction | 1953 |
| East Fork Above Lavon Ws Scs Site 47 Dam | High | Fair | 49 | Flood Risk Reduction | 1960 |
| East Fork Above Lavon Ws Scs Site 15 Dam | High | Not Rated | 49 | Flood Risk Reduction | 1951 |
| East Fork Above Lavon Ws Scs Site 11 Dam | High | Not Rated | 48 | Flood Risk Reduction | 1952 |
| East Fork Above Lavon Ws Scs Site 3a Dam | High | Satisfactory | 48 | Flood Risk Reduction | 1958 |
| Pilot Grove Creek Ws Scs Site 75 Dam | High | Not Rated | 47 | Flood Risk Reduction | 1965 |
| East Fork Above Lavon Ws Scs Site 17 Dam | High | Not Rated | 47 | Flood Risk Reduction | 1967 |
| East Fork Above Lavon Ws Scs Site 1c Dam | High | Not Rated | 45 | Flood Risk Reduction | 1964 |
| East Fork Above Lavon Ws Scs Site 8a Dam | High | Not Rated | 44 | Flood Risk Reduction | 1969 |
| East Fork Above Lavon Ws Scs Site 3c Dam | High | Not Rated | 44 | Flood Risk Reduction | 1958 |
| Rowlett Creek Ws Scs Site 4 Dam | High | Not Rated | 43 | Flood Risk Reduction | 1956 |
| East Fork Above Lavon Ws Scs Site 8e Dam | High | Not Rated | 43 | Flood Risk Reduction | 1957 |
| East Fork Above Lavon Ws Scs Site 9 Dam | High | Not Rated | 43 | Flood Risk Reduction | 1951 |
| East Fork Above Lavon Ws Scs Site 10 Dam | High | Not Rated | 43 | Flood Risk Reduction | 1952 |
| East Fork Above Lavon Ws Scs Site 1da Dam | High | Not Rated | 42 | Flood Risk Reduction | 1964 |
| East Fork Above Lavon Ws Scs Site 16 Dam | High | Not Rated | 42 | Flood Risk Reduction | 1951 |
| Sister Grove Creek Ws Scs Site 38 Dam | High | Not Rated | 41 | Flood Risk Reduction | 1959 |
| East Fork Above Lavon Ws Scs Site 8g Dam | High | Not Rated | 41 | Flood Risk Reduction | 1955 |
| East Fork Above Lavon Ws Scs Site 1b Dam | High | Not Rated | 40 | Flood Risk Reduction | 1957 |
| East Fork Above Lavon Ws Scs Site 14 Dam | High | Not Rated | 40 | Flood Risk Reduction | 1951 |
| East Fork Above Lavon Ws Scs Site 13 Dam | High | Not Rated | 40 | Flood Risk Reduction | 1952 |
| East Fork Above Lavon Ws Scs Site 8c Dam | High | Not Rated | 39 | Flood Risk Reduction | 1956 |
| East Fork Above Lavon Ws Scs Site 32 Dam | High | Not Rated | 39 | Flood Risk Reduction | 1966 |
| Stonebridge Lake 11 A Dam | High | Not Rated | 38 | Flood Risk Reduction | 1998 |
| Stonebridge Lake 12 Dam | High | Not Rated | 38 | Flood Risk Reduction | 1988 |
| Rowlett Creek Ws Scs Site 7 Dam | High | Not Rated | 38 | Flood Risk Reduction | 1957 |
| Sister Grove Creek Ws Scs Site 7 Dam | High | Unsatisfactory | 38 | Flood Risk Reduction | 1952 |
| Little Elm And Laterals Ws Scs Site 18a Dam | High | Fair | 38 | Flood Risk Reduction | 1970 |
| East Fork Above Lavon Ws Scs Site 12 Dam | High | Not Rated | 38 | Flood Risk Reduction | 1952 |
| Stonebridge Lake F 2 Dam | High | Not Rated | 37 | Flood Risk Reduction | 1988 |
| East Fork Above Lavon Ws Scs Site 33 Dam | High | Not Rated | 37 | Flood Risk Reduction | 1966 |
| East Fork Above Lavon Ws Scs Site 31 Dam | High | Not Rated | 37 | Flood Risk Reduction | 1965 |
| Stonebridge Lake 13 Dam | High | Not Rated | 36 | Flood Risk Reduction | 1988 |
| Upper East Fk Laterals Ws Scs Site 2 Dam | High | Fair | 36 | Flood Risk Reduction | 1958 |
| East Fork Above Lavon Ws Scs Site 2b Dam | High | Not Rated | 36 | Flood Risk Reduction | 1959 |
| Stonebridge Lake F 4 Dam | High | Fair | 35 | Flood Risk Reduction | 1988 |
| Sister Grove Creek Ws Scs Site 3 Dam | High | Unsatisfactory | 35 | Flood Risk Reduction | 1963 |
| East Fork Above Lavon Ws Scs Site 30 Dam | High | Not Rated | 35 | Flood Risk Reduction | 1965 |
| East Fork Above Lavon Ws Scs Site 3d Dam | High | Not Rated | 35 | Flood Risk Reduction | 1958 |
| Carter Ranch Dam | High | Not Rated | 34 | Recreation | |
| Pilot Grove Creek Ws Scs Site 80 Dam | High | Not Rated | 34 | Flood Risk Reduction | 1965 |
| Upper East Fk Laterals Ws Scs Site 3b Dam | High | Fair | 34 | Flood Risk Reduction | 1958 |
| Pilot Grove Creek Ws Scs Site 28 Dam | High | Not Rated | 34 | Flood Risk Reduction | 1964 |
| East Fork Above Lavon Ws Scs Site 5a Dam | High | Satisfactory | 34 | Flood Risk Reduction | 1958 |
| East Fork Above Lavon Ws Scs Site 3e Dam | High | Not Rated | 33 | Flood Risk Reduction | 1967 |
| East Fork Above Lavon Ws Scs Site 32a Dam | High | Not Rated | 33 | Flood Risk Reduction | 1966 |
| East Fork Above Lavon Ws Scs Site 29 Dam | High | Fair | 31 | Flood Risk Reduction | 1965 |
| Pilot Grove Creek Ws Scs Site 79 Dam | High | Not Rated | 31 | Flood Risk Reduction | 1965 |
| Stonebridge Lake F 3 Dam | High | Not Rated | 30 | Flood Risk Reduction | 1988 |
| East Fork Above Lavon Ws Scs Site 8d Dam | High | Not Rated | 30 | Flood Risk Reduction | 1957 |
| Willow Bend Lake No 1 Dam | High | Satisfactory | 30 | Recreation | 1960 |
| 380 Town Centre Dam | High | Not Rated | 28 | ||
| Apples Crossing Pond 1 Dam | High | Not Rated | 28 | 2019 | |
| Stonebridge Lake B Dam | High | Not Rated | 28 | Flood Risk Reduction | 1988 |
| Stonebridge Lake 11 D Dam | High | Not Rated | 28 | Flood Risk Reduction | 1988 |
| Lake Rr2 Dam | High | Fair | 27 | Recreation | 1955 |
| Rowlett Creek Ws Scs Site 5 Dam | High | Not Rated | 27 | Flood Risk Reduction | 1956 |
| Pilot Grove Creek Ws Scs Site 83a Dam | High | Not Rated | 27 | Flood Risk Reduction | 1921 |
| Clark Middle South Dam | High | Fair | 25 | ||
| Phillips Park Lake Dam | High | Poor | 25 | Recreation | 1920 |
| Stonebridge Lake F 1 Dam | High | Not Rated | 25 | Flood Risk Reduction | 1988 |
| Prestonwood West Dam | High | Fair | 25 | Flood Risk Reduction | 1959 |
| Pilot Grove Creek Ws Scs Site 82 Dam | High | Not Rated | 25 | Flood Risk Reduction | 1935 |
| The Preserve Dam | High | Satisfactory | 24 | Recreation | 2012 |
| Lago Grande Dam | High | Fair | 24 | Irrigation | 1973 |
| Little Elm And Laterals Ws Scs Site 8b Dam | High | Not Rated | 24 | Flood Risk Reduction | 1971 |
| Little Elm And Laterals Ws Scs Site 9 Dam | High | Not Rated | 24 | Flood Risk Reduction | 1971 |
| Willow Bend Lake No 2 Dam | High | Satisfactory | 23 | Recreation | 1957 |
| Vial Lake Dam | High | Satisfactory | 23 | 1965 | |
| Stonebridge Lake C Dam | High | Not Rated | 22 | Flood Risk Reduction | 1998 |
| Clark Southwest Dam | High | Fair | 21 | ||
| Clark Northwest Dam | High | Fair | 21 | ||
| Lake Lacima Dam | High | Fair | 21 | Recreation | 1975 |
| Trinity Falls Pond D Weir Dam | High | Satisfactory | 21 | 2016 | |
| Old Town Retention Pond Dam | High | Satisfactory | 20 | 2021 | |
| Lavon Bluff Dam | High | Fair | 18 | ||
| Garilen Pond 1 Dam | High | Fair | 17 | ||
| Eldorado Detention Basin E Dam | High | Fair | 13 | Flood Risk Reduction | 1987 |
| Lake Rr3 Dam | High | Poor | 12 | Recreation | 1955 |
| Feagins Dam | High | Fair | 9 | ||
| Sister Grove Creek Ws Scs Site 5 Dam | Significant | Not Rated | 49 | Flood Risk Reduction | 1952 |
| Pilot Grove Creek Ws Scs Site 29 Dam | Significant | Not Rated | 35 | Flood Risk Reduction | 1964 |
| Sister Grove Creek Ws Scs Site 4 Dam | Significant | Not Rated | 28 | Flood Risk Reduction | 1960 |
| Pilot Grove Creek Ws Scs Site 58 Dam | Significant | Fair | 27 | Flood Risk Reduction | 1981 |
| Seis Lagos No 5 Dam | Significant | Fair | 25 | Irrigation | 1968 |
| Domain Subdivision Pond A | Significant | Satisfactory | 18 | 2003 | |
| Eds Dam No 2 | Significant | Not Rated | 18 | Irrigation | 1992 |
| Domain Subdivision Pond B | Significant | Fair | 15 | 2003 | |
| Eds Dam No 1 | Significant | Not Rated | 14 | Irrigation | 1992 |
| Erwin Farms Phase 3 Dam A1 | Significant | Not Rated | 0 | ||
| East Fork Above Lavon Ws Scs Site 42 Dam | Low | Not Rated | 56 | Flood Risk Reduction | 1958 |
| Sister Grove Creek Ws Scs Site 12 Dam | Low | Not Rated | 53 | Flood Risk Reduction | 1958 |
| Sister Grove Creek Ws Scs Site 6 Dam | Low | Not Rated | 48 | Flood Risk Reduction | 1959 |
| Pilot Grove Creek Ws Scs Site 73 Dam | Low | Not Rated | 47 | Flood Risk Reduction | 1965 |
| East Fork Above Lavon Ws Scs Site 34 Dam | Low | Not Rated | 46 | Flood Risk Reduction | 1966 |
| East Fork Above Lavon Ws Scs Site 8b1 Dam | Low | Not Rated | 45 | Flood Risk Reduction | 1974 |
| East Fork Above Lavon Ws Scs Site 43 Dam | Low | Not Rated | 44 | Flood Risk Reduction | 1959 |
| Sister Grove Creek Ws Scs Site 16 Dam | Low | Not Rated | 44 | Flood Risk Reduction | 1965 |
| Sister Grove Creek Ws Scs Site 1 Dam | Low | Not Rated | 43 | Flood Risk Reduction | 1963 |
| East Fork Above Lavon Ws Scs Site 8h Dam | Low | Not Rated | 43 | Flood Risk Reduction | 1956 |
| East Fork Above Lavon Ws Scs Site 53 Dam | Low | Not Rated | 43 | Flood Risk Reduction | 1969 |
| Sister Grove Creek Ws Scs Site 8 Dam | Low | Not Rated | 42 | Flood Risk Reduction | 1959 |
| East Fork Above Lavon Ws Scs Site 44 Dam | Low | Not Rated | 42 | Flood Risk Reduction | 1959 |
| East Fork Above Lavon Ws Scs Site 45 Dam | Low | Not Rated | 42 | Flood Risk Reduction | 1959 |
| Sister Grove Creek Ws Scs Site 13 Dam | Low | Not Rated | 39 | Flood Risk Reduction | 1959 |
| Pilot Grove Creek Ws Scs Site 85b Dam | Low | Not Rated | 39 | Flood Risk Reduction | 1966 |
| East Fork Above Lavon Ws Scs Site 48 Dam | Low | Not Rated | 39 | Flood Risk Reduction | 1966 |
| East Fork Above Lavon Ws Scs Site 8f Dam | Low | Not Rated | 38 | Flood Risk Reduction | 1955 |
| Sister Grove Creek Ws Scs Site 10 Dam | Low | Not Rated | 38 | Flood Risk Reduction | 1953 |
| Pilot Grove Creek Ws Scs Site 70 Dam | Low | Not Rated | 37 | Flood Risk Reduction | 1975 |
| Sister Grove Creek Ws Scs Site 17 Dam | Low | Not Rated | 37 | Flood Risk Reduction | 1965 |
| Sister Grove Creek Ws Scs Site 2 Dam | Low | Not Rated | 34 | Flood Risk Reduction | 1960 |
| Pilot Grove Creek Ws Scs Site 71 Dam | Low | Not Rated | 34 | Flood Risk Reduction | 1975 |
| Sister Grove Creek Ws Scs Site 14 Dam | Low | Not Rated | 33 | Flood Risk Reduction | 1959 |
| Twin Arrow No 2 Dam | Low | Not Rated | 32 | 1973 | |
| East Fork Above Lavon Ws Scs Site 24 Dam | Low | Not Rated | 32 | Flood Risk Reduction | 1953 |
| Little Elm And Laterals Ws Scs Site 12 Dam | Low | Not Rated | 31 | Flood Risk Reduction | 1971 |
| Upper East Fk Laterals Ws Scs Site 3a Dam | Low | Not Rated | 31 | Flood Risk Reduction | 1958 |
| Jim Porter Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1972 |
| Pilot Grove Creek Ws Scs Site 76 Dam | Low | Not Rated | 30 | Flood Risk Reduction | 1965 |
| Pilot Grove Creek Ws Scs Site 44a Dam | Low | Not Rated | 30 | Flood Risk Reduction | 1974 |
| Meat Producers Dam | Low | Not Rated | 29 | Irrigation | 1969 |
| East Fork Above Lavon Ws Scs Site 29a Dam | Low | Not Rated | 29 | Flood Risk Reduction | 1965 |
| Jordan Dam | Low | Not Rated | 28 | 1966 | |
| Twin Arrow No 1 Gss | Low | Not Rated | 28 | 1974 | |
| Pilot Grove Creek Ws Scs Site 49 Dam | Low | Not Rated | 28 | Flood Risk Reduction | 1963 |
| Pilot Grove Creek Ws Scs Site 43 Dam | Low | Not Rated | 28 | Flood Risk Reduction | 1969 |
| Pilot Grove Creek Ws Scs Site 33 Dam | Low | Not Rated | 28 | Flood Risk Reduction | 1966 |
| Sister Grove Creek Ws Scs Site 11 Dam | Low | Not Rated | 28 | Flood Risk Reduction | 1953 |
| Sister Grove Creek Ws Scs Site 15 Dam | Low | Not Rated | 28 | Flood Risk Reduction | 1959 |
| Twin Arrow No 3 Dam | Low | Not Rated | 27 | 1970 | |
| Timber Creek Dam | Low | Not Rated | 27 | Irrigation | |
| Little Elm & Laterals Ws Scs Site 16 Dam | Low | Not Rated | 27 | Flood Risk Reduction | 1976 |
| Boyd Lake Dam | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Pilot Grove Creek Ws Scs Site 48 Dam | Low | Not Rated | 26 | Flood Risk Reduction | 1963 |
| Bell Lake Dam | Low | Not Rated | 25 | Recreation | 1968 |
| Pilot Grove Creek Ws Scs Site 77 Dam | Low | Not Rated | 25 | Flood Risk Reduction | 1965 |
| Pilot Grove Creek Ws Scs Site 50 Dam | Low | Not Rated | 24 | Flood Risk Reduction | 1963 |
| Little Elm And Laterals Ws Scs Site 19 Dam | Low | Not Rated | 24 | Flood Risk Reduction | 1970 |
| Pilot Grove Creek Ws Scs Site 85a Dam | Low | Not Rated | 23 | Flood Risk Reduction | 1966 |
| Anderson Lake Dam | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Little Elm And Laterals Ws Scs Site 11 Dam | Low | Not Rated | 21 | Flood Risk Reduction | 1971 |
| Renner Road West Detention Pond Dam | Low | Not Rated | 20 | Flood Risk Reduction | |
| Tx No Name No 26 Dam | Low | Not Rated | 19 | Recreation | 1960 |
| Box Lake Dam | Low | Not Rated | 18 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Reed Lake Dam | Low | Not Rated | 18 | Recreation | 1960 |
| Monroe Lake Dam | Low | Not Rated | 15 | Recreation | 1961 |
| Mustang Ranch Pond No 5 Dam | Low | Not Rated | 15 | 2015 | |
| Collin County Adventure Camp Dam No 1 | Low | Not Rated | 15 | Recreation | 1995 |
| Lewis Lake Dam | Low | Not Rated | 14 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Pierce Pond Dam | Low | Not Rated | 14 | Recreation | 1950 |
| Collin County Adventure Camp Dam No 2 | Low | Not Rated | 12 | Recreation | 2006 |
| Tp And L Dam | Low | Not Rated | 10 | Other | 1960 |
| Caldwell Dam | Low | Not Rated | 8 | Irrigation | 1957 |