| Grays Creek Watershed Structure G-6-08 Dam Benton County | 27 | 1961 | Low | Not Rated |
| Grays Creek Watershed Structure G-6-09 Dam Benton County | 34 | 1963 | Low | Not Rated |
| Grays Creek Watershed Structure G 6 11 Dam Benton County | 23 | 1960 | Low | Not Rated |
| Grays Creek Watershed Structure G-6-H Dam Benton County | 26 | 1966 | Low | Not Rated |
| Grays Creek Watershed Structure G-6-I Dam Benton County | 24 | 1966 | Low | Not Rated |
| Grays Creek Watershed Structure G-6-J Benton County | 27 | 1966 | Low | Not Rated |
| Grays Creek WS Str G-6-2 Dam Benton County | 28 | 1960 | High | Poor |
| Greasy Creek WS Str Lt-1a-04 Dam Lafayette County | 31 | 1960 | Low | Not Rated |
| Greasy Creek WS Str Lt-1a-11 Dam Lafayette County | 25 | 1960 | High | Unsatisfactory |
| Greasy Watershed Structure Lt-1a-01 Dam Panola County | 30 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-02 Dam Panola County | 28 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-03 Dam Lafayette County | 28 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-05 Dam Tate County | 27 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-06 Dam Tate County | 35 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-08 Dam Tate County | 27 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-09 Dam Tate County | 31 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-10 Dam Lafayette County | 26 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-13 Dam Lafayette County | 25 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-14 Dam Tate County | 33 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-15 Dam Tate County | 34 | 1960 | Low | Not Rated |
| Greasy Watershed Structure Lt-1a-16 Dam Tate County | 35 | 1960 | Low | Not Rated |
| Greater Bethlehem Church Dam Hinds County | 16 | 1954 | Significant | Satisfactory |
| Green Acre Farm Sewage L Dam Scott County | 8 | — | Low | Not Rated |
| Green Lake Dam Holmes County | 17 | 1978 | Low | Not Rated |
| Green Lake Ms00191 Dam Winston County | 9 | — | Low | Not Rated |