Alabama has 2127 dams with recorded construction dates. The oldest dates to 1800 — 226 years ago. Alabama's earliest dams were built in the 19th century, an era of westward expansion, irrigation development, and early water infrastructure. Older dams require particular attention for safety, as many were built before modern engineering standards.
| # | Dam | County | Year Built | Age | Height (ft) | Hazard | Condition |
|---|---|---|---|---|---|---|---|
| 1 | Nix Mill Pond Dam | Franklin | 1800 | 226 yrs | 25 | Low | Not assessed |
| 2 | Odums Mill Dam | Walker | 1850 | 176 yrs | 12 | Low | Not assessed |
| 3 | Pearson Lake Dam | Bibb | 1880 | 146 yrs | 31 | Low | Not assessed |
| 4 | Lightsey S Mill Pond Dam | Bibb | 1890 | 136 yrs | 13 | Low | Not assessed |
| 5 | Easterling Mill Pond Dam | Barbour | 1900 | 126 yrs | 18 | Low | Not assessed |
| 6 | Boshell@s Mill Dam | Walker | 1903 | 123 yrs | 12 | Low | Not assessed |
| 7 | Frazier Dam | Franklin | 1910 | 116 yrs | 30 | Low | Not assessed |
| 8 | Sloss Lake | Franklin | 1910 | 116 yrs | 28 | High | Not assessed |
| 9 | Bayview Lake | Jefferson | 1910 | 116 yrs | 100 | High | Not assessed |
| 10 | T. C. I. Lake | Jefferson | 1910 | 116 yrs | 10 | Low | Not assessed |
| 11 | Queenstown Lake No 2 | Jefferson | 1910 | 116 yrs | 15 | Low | Not assessed |
| 12 | East Lake Park | Jefferson | 1912 | 114 yrs | 13 | High | Not assessed |
| 13 | Old Country Club | Conecuh | 1914 | 112 yrs | 15 | Significant | Not assessed |
| 14 | Lay | Coosa | 1914 | 112 yrs | 130 | High | Satisfactory |
| 15 | Ogletree No 2 | Lee | 1916 | 110 yrs | 18 | Low | Not assessed |
| 16 | Prattville Lake | Autauga | 1920 | 106 yrs | 27 | Significant | Not assessed |
| 17 | Slosh Dam | Franklin | 1920 | 106 yrs | 25 | Low | Not assessed |
| 18 | Thornton Lake | Jefferson | 1920 | 106 yrs | 18 | Significant | Not assessed |
| 19 | Kimbrell Lake | Jefferson | 1920 | 106 yrs | 13 | Low | Not assessed |
| 20 | Boyles Gap Lake | Jefferson | 1920 | 106 yrs | 30 | Low | Not assessed |
| 21 | Hodges Dam | Marion | 1920 | 106 yrs | 27 | Significant | Not assessed |
| 22 | Russell Mills | Tallapoosa | 1920 | 106 yrs | 27 | Low | Not assessed |
| 23 | Herring Lake Dam | Tuscaloosa | 1920 | 106 yrs | 17 | High | Not assessed |
| 24 | Forest Lake Dam | Tuscaloosa | 1920 | 106 yrs | 17 | High | Not assessed |
| 25 | Mitchell | Chilton | 1923 | 103 yrs | 106 | High | Fair |
| 26 | Gantt | Covington | 1924 | 102 yrs | 44 | High | Fair |
| 27 | Wilson Dam | Lauderdale | 1924 | 102 yrs | 137 | High | Not assessed |
| 28 | Lahusage | Cherokee | 1925 | 101 yrs | 34 | Low | Not assessed |
| 29 | Point a | Covington | 1925 | 101 yrs | 56 | High | Satisfactory |
| 30 | A. A. Miller Dam | DeKalb | 1925 | 101 yrs | 17 | Low | Not assessed |
| 31 | Newfound Creek Lake | Jefferson | 1925 | 101 yrs | 23 | Low | Not assessed |
| 32 | C P Crenshaw Dam | Lowndes | 1925 | 101 yrs | 19 | Significant | Not assessed |
| 33 | Little Cahaba Creek Lake | Jefferson | 1926 | 100 yrs | 23 | Low | Not assessed |
| 34 | Martin | Tallapoosa | 1926 | 100 yrs | 168 | High | Fair |
| 35 | Yates | Elmore | 1928 | 98 yrs | 87 | High | Satisfactory |
| 36 | Jordan | Elmore | 1928 | 98 yrs | 125 | High | Satisfactory |
| 37 | East Thomas Gardens | Jefferson | 1928 | 98 yrs | 25 | Low | Not assessed |
| 38 | Sharps Mill Dam | Lauderdale | 1929 | 97 yrs | 15 | Significant | Not assessed |
| 39 | Borders | St. Clair | 1929 | 97 yrs | 23 | Low | Not assessed |
| 40 | Lake Harris Dam | Tuscaloosa | 1929 | 97 yrs | 58 | Low | Not assessed |
| 41 | Maytag Lake No 1 | Bullock | 1930 | 96 yrs | 20 | Significant | Not assessed |
| 42 | Thurlow | Elmore | 1930 | 96 yrs | 62 | High | Satisfactory |
| 43 | Dollarhide Hunting Club Dams | Greene | 1930 | 96 yrs | 7 | Low | Not assessed |
| 44 | Marion Fish Hatchery Number Two Dam | Perry | 1930 | 96 yrs | 10 | Low | Not assessed |
| 45 | Marion Fish Hatchery Dam Number One | Perry | 1930 | 96 yrs | 10 | Low | Not assessed |
| 46 | Alnoname No.1 | Tuscaloosa | 1930 | 96 yrs | 36 | High | Not assessed |
| 47 | Little River State Park | Escambia | 1931 | 95 yrs | 14 | Significant | Not assessed |
| 48 | Oak Mountain Old Lake Dam | Shelby | 1931 | 95 yrs | 55 | High | Not assessed |
| 49 | Sougahatchee | Lee | 1932 | 94 yrs | 43 | High | Not assessed |
| 50 | Chewacla State Park | Lee | 1932 | 94 yrs | 28 | Significant | Not assessed |