Arkansas has 1245 dams with recorded construction dates. The oldest dates to 1881 — 145 years ago. Arkansas'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 | Bethel Dam | Garland | 1881 | 145 yrs | 36 | Low | Poor |
| 2 | Mammoth Springs Dam 1 | Fulton | 1885 | 141 yrs | 20 | Low | Not assessed |
| 3 | Eureka Springs City Lake Dam | Carroll | 1894 | 132 yrs | 28 | High | Not assessed |
| 4 | Ricks Estate Dam | Garland | 1896 | 130 yrs | 16 | High | Not assessed |
| 5 | Gillham Lake Dam | Sevier | 1900 | 126 yrs | 39 | Low | Not assessed |
| 6 | Fish Lake Dam | Conway | 1902 | 124 yrs | 12 | Low | Not assessed |
| 7 | Dillon Dam | Garland | 1903 | 123 yrs | 44 | Significant | Poor |
| 8 | White River L and D No. 1 | Independence | 1904 | 122 yrs | 28 | Significant | Fair |
| 9 | Fiser Lake Dam | Grant | 1905 | 121 yrs | 14 | Significant | Not assessed |
| 10 | White River Lock & Dam No. 2 | Independence | 1905 | 121 yrs | 29 | Low | Satisfactory |
| 11 | White River Lock & Dam No. 3 | Independence | 1908 | 118 yrs | 21 | Low | Satisfactory |
| 12 | Lake Russellville Dam | Pope | 1911 | 115 yrs | 26 | Low | Not assessed |
| 13 | Lock and Dam No 8 | Union | 1911 | 115 yrs | 25 | Low | Not assessed |
| 14 | Lock and Dam No 6 | Union | 1913 | 113 yrs | 26 | Low | Not assessed |
| 15 | Gurdon Pond 1 Dam | Clark | 1915 | 111 yrs | 17 | High | Not assessed |
| 16 | Spring Lake Dam | Saline | 1915 | 111 yrs | 10 | Low | Not assessed |
| 17 | Bella Vista Lake Dam | Benton | 1918 | 108 yrs | 14 | Significant | Not assessed |
| 18 | Arnoname 56 | Union | 1918 | 108 yrs | 13 | Low | Not assessed |
| 19 | Mill Pond Dam | Pike | 1919 | 107 yrs | 20 | Low | Not assessed |
| 20 | Hassics | Ouachita | 1920 | 106 yrs | 11 | Low | Not assessed |
| 21 | Bethesda Lake Dam | Polk | 1922 | 104 yrs | 33 | High | Not assessed |
| 22 | Arnoname 55 | Union | 1924 | 102 yrs | 10 | High | Not assessed |
| 23 | Remmel | Hot Spring | 1925 | 101 yrs | 75 | High | Fair |
| 24 | Sanderson Dam | Montgomery | 1925 | 101 yrs | 49 | Significant | Poor |
| 25 | Tall Timber Lake Dam | Pulaski | 1925 | 101 yrs | 17 | Significant | Not assessed |
| 26 | Lakewood Lake No. 1 Dam | Pulaski | 1925 | 101 yrs | 29 | High | Fair |
| 27 | Lakewood Lake No. 3 Dam | Pulaski | 1925 | 101 yrs | 41 | Significant | Fair |
| 28 | Lakewood Lake No. 2 Dam | Pulaski | 1925 | 101 yrs | 64 | Significant | Fair |
| 29 | Nichols Lake Dam | Howard | 1928 | 98 yrs | 20 | High | Satisfactory |
| 30 | Lake Wingfield No 3 Dam | Union | 1928 | 98 yrs | 14 | Low | Not assessed |
| 31 | Booneville Reservoir Dam | Logan | 1929 | 97 yrs | 45 | Low | Fair |
| 32 | Lake Wingfield No 2 Dam | Union | 1929 | 97 yrs | 12 | Low | Not assessed |
| 33 | Lake Wingfield No 1 Dam | Union | 1929 | 97 yrs | 14 | Low | Not assessed |
| 34 | Gurdon Pond 2 Dam | Clark | 1930 | 96 yrs | 20 | High | Not assessed |
| 35 | Mammoth Springs Dam 3 | Fulton | 1930 | 96 yrs | 30 | Low | Fair |
| 36 | Patchett Lake Dam | Polk | 1930 | 96 yrs | 15 | Low | Not assessed |
| 37 | Hudmans Lake Dam No 1 | Pulaski | 1930 | 96 yrs | 13 | Low | Not assessed |
| 38 | Sprick Lake Dam | Pulaski | 1930 | 96 yrs | 13 | High | Not assessed |
| 39 | Hudmans Lake Dam No 2 | Pulaski | 1930 | 96 yrs | 18 | Low | Not assessed |
| 40 | Jones Lake Dam No 1 | Yell | 1930 | 96 yrs | 15 | Low | Not assessed |
| 41 | Old Water Supply Lake Dam | Franklin | 1932 | 94 yrs | 18 | Significant | Not assessed |
| 42 | Carpenter | Garland | 1932 | 94 yrs | 110 | High | Fair |
| 43 | Lakewood Lake No 6 Dam | Pulaski | 1932 | 94 yrs | 22 | High | Not assessed |
| 44 | Steed Lake Dam | Lincoln | 1934 | 92 yrs | 22 | Low | Not assessed |
| 45 | Auxiliary Dam No 1 | Logan | 1934 | 92 yrs | 34 | High | Satisfactory |
| 46 | Wegert Reservoir Dam | Arkansas | 1935 | 91 yrs | 8 | Low | Not assessed |
| 47 | Lake Bennett Dam | Faulkner | 1935 | 91 yrs | 41 | Low | Fair |
| 48 | Mansfield Dam | Sebastian | 1935 | 91 yrs | 19 | High | Not assessed |
| 49 | Lake Wedington | Washington | 1935 | 91 yrs | 49 | Low | Not assessed |
| 50 | Lake Atalanta Dam | Benton | 1936 | 90 yrs | 43 | High | Poor |