| Middle Oconee-Walnut Creek WS Structure # 18 Jackson County | 35 | 1967 | Low | Not Rated |
| Middle Oconee-Walnut Creek WS Structure # 17 Jackson County | 28 | 1968 | Low | Not Rated |
| Middle Oconee-Walnut Creek WS Structure # 16 Jackson County | 25 | 1968 | Low | Not Rated |
| Middle Oconee-Walnut Creek WS Structure # 15 Jackson County | 36 | — | Low | Not Rated |
| Middle Oconee-Walnut Creek WS Structure # 12 Jackson County | 36 | 1969 | Low | Not Rated |
| Middle Oconee-Walnut Creek WS Str #19 Jackson County | 31 | 1967 | Low | Not Rated |
| Middle Oconee-Walnut Creek Watershed No. 3 Hall County | 40 | 1971 | Low | Not Rated |
| Middle Oconee- Walnut Creek Structure No 9 Hall County | 46 | 1972 | Low | Not Rated |
| Middle Oconee- Walnut Creek Structure No 7 Hall County | 47 | 1972 | Low | Not Rated |
| Middle Oconee- Walnut Creek Str No 1 Hall County | 47 | 1973 | Low | Not Rated |
| Middle Fork Broad River WS Str # 6 Banks County | 26 | — | Low | Not Rated |
| Middle Fork Broad River W/S Str. #44 Habersham County | 76 | 1964 | Low | Not Rated |
| Middle Fork Broad River WS Str # 30 Banks County | 29 | 1968 | Low | Not Rated |
| Middle Fork Broad River WS Str # 28 Banks County | 26 | 1969 | Low | Not Rated |
| Middle Fork Broad River WS Str # 2 Banks County | 53 | 1970 | Low | Not Rated |
| Middle Fork Broad River WS Str # 17 Banks County | 43 | 1968 | Low | Not Rated |
| Middlebrooks Lake Dam Pike County | 15 | 1960 | Low | Not Rated |
| Michael's Pond Dam Cherokee County | 40 | 1986 | Low | Not Rated |
| Michael's Lake Dam Turner County | 27 | — | Low | Not Rated |
| Michael Lake Dam Oconee County | 25 | — | Low | Not Rated |
| Michael Collins Chance Lake Dam Pulaski County | 13 | 1975 | Low | Not Rated |
| Mett Lake Dam Atkinson County | 11 | 1960 | Low | Not Rated |
| Merritt South Lake Dam Webster County | 19 | 2011 | Low | Not Rated |
| Merritt Small Lake Dam Stewart County | 28 | — | Low | Not Rated |
| Merritt Large Lake Dam Webster County | 17 | — | Low | Not Rated |