Missouri Dam Report Cards by County
County-level report cards for Missouri. Scores combine high-hazard dam counts with condition, emergency-plan, and older-inspection-date flags.
| County | State | Grade | Score | Total | High | Significant | Poor/unsat. | Missing EAP | Older inspection |
|---|---|---|---|---|---|---|---|---|---|
| Jefferson County | Missouri | F | 484 | 137 | 102 | 8 | 2 | 4 | 72 |
| Washington County | Missouri | F | 408 | 119 | 88 | 2 | 6 | 5 | 46 |
| Warren County | Missouri | F | 343 | 128 | 78 | 5 | 0 | 1 | 50 |
| Franklin County | Missouri | F | 262 | 152 | 55 | 4 | 1 | 2 | 40 |
| Jackson County | Missouri | F | 253 | 86 | 54 | 1 | 2 | 3 | 34 |
| Boone County | Missouri | F | 230 | 126 | 47 | 3 | 2 | 2 | 34 |
| St. Charles County | Missouri | F | 204 | 116 | 47 | 8 | 1 | 0 | 25 |
| St. Francois County | Missouri | D | 199 | 62 | 46 | 0 | 1 | 1 | 26 |
| St. Louis County | Missouri | D | 187 | 48 | 39 | 3 | 1 | 1 | 29 |
| Ste. Genevieve County | Missouri | D | 171 | 50 | 37 | 0 | 0 | 2 | 26 |
| Callaway County | Missouri | D | 160 | 107 | 30 | 7 | 3 | 1 | 22 |
| Crawford County | Missouri | D | 143 | 74 | 25 | 3 | 3 | 1 | 23 |
| Montgomery County | Missouri | D | 141 | 87 | 27 | 10 | 0 | 2 | 21 |
| Cass County | Missouri | D | 130 | 69 | 27 | 3 | 0 | 0 | 23 |
| Lafayette County | Missouri | D | 123 | 189 | 26 | 4 | 1 | 1 | 16 |
| Madison County | Missouri | D | 116 | 30 | 22 | 3 | 1 | 1 | 19 |
| Wayne County | Missouri | D | 114 | 37 | 22 | 2 | 2 | 1 | 16 |
| Lincoln County | Missouri | D | 112 | 66 | 22 | 5 | 1 | 1 | 16 |
| Audrain County | Missouri | D | 111 | 86 | 21 | 6 | 0 | 0 | 21 |
| Johnson County | Missouri | D | 101 | 96 | 20 | 3 | 0 | 0 | 19 |
| Iron County | Missouri | C | 96 | 35 | 22 | 1 | 1 | 0 | 12 |
| Perry County | Missouri | C | 95 | 39 | 20 | 0 | 1 | 0 | 15 |
| Pike County | Missouri | C | 95 | 42 | 15 | 6 | 2 | 3 | 11 |
| Cole County | Missouri | C | 93 | 33 | 21 | 0 | 0 | 1 | 13 |
| Gasconade County | Missouri | C | 91 | 82 | 19 | 4 | 0 | 1 | 13 |
| Livingston County | Missouri | C | 83 | 75 | 17 | 0 | 0 | 0 | 16 |
| Platte County | Missouri | C | 80 | 29 | 17 | 0 | 1 | 0 | 12 |
| Cape Girardeau County | Missouri | C | 77 | 31 | 16 | 0 | 1 | 1 | 10 |
| Camden County | Missouri | C | 75 | 24 | 12 | 2 | 3 | 2 | 7 |
| Dent County | Missouri | C | 73 | 36 | 14 | 3 | 0 | 1 | 12 |
| Ralls County | Missouri | C | 70 | 29 | 13 | 3 | 0 | 1 | 12 |
| Reynolds County | Missouri | C | 68 | 21 | 15 | 1 | 2 | 0 | 6 |
| DeKalb County | Missouri | C | 64 | 69 | 15 | 1 | 0 | 0 | 9 |
| Clay County | Missouri | C | 62 | 38 | 14 | 0 | 0 | 0 | 10 |
| Phelps County | Missouri | C | 62 | 31 | 13 | 1 | 0 | 1 | 9 |
| Buchanan County | Missouri | C | 62 | 28 | 11 | 0 | 1 | 1 | 10 |
| Osage County | Missouri | C | 59 | 21 | 12 | 1 | 0 | 0 | 11 |
| Randolph County | Missouri | C | 58 | 55 | 12 | 0 | 0 | 0 | 11 |
| Ray County | Missouri | C | 58 | 48 | 12 | 6 | 0 | 0 | 8 |
| Newton County | Missouri | C | 56 | 20 | 14 | 0 | 0 | 0 | 7 |
| Stoddard County | Missouri | C | 55 | 28 | 11 | 0 | 0 | 0 | 11 |
| Webster County | Missouri | C | 50 | 16 | 10 | 0 | 0 | 0 | 10 |
| Greene County | Missouri | B | 46 | 17 | 10 | 2 | 0 | 0 | 7 |
| Howard County | Missouri | B | 46 | 79 | 8 | 1 | 1 | 1 | 6 |
| Butler County | Missouri | B | 45 | 27 | 9 | 0 | 0 | 0 | 9 |
| Andrew County | Missouri | B | 43 | 28 | 9 | 0 | 0 | 0 | 8 |
| Nodaway County | Missouri | B | 42 | 99 | 9 | 1 | 0 | 0 | 7 |
| Mercer County | Missouri | B | 41 | 53 | 9 | 4 | 0 | 0 | 5 |
| Howell County | Missouri | B | 40 | 23 | 8 | 0 | 0 | 0 | 8 |
| Ripley County | Missouri | B | 40 | 27 | 8 | 4 | 2 | 0 | 1 |
| Grundy County | Missouri | B | 40 | 47 | 8 | 0 | 0 | 0 | 8 |
| Lewis County | Missouri | B | 40 | 167 | 7 | 7 | 0 | 1 | 4 |
| Clinton County | Missouri | B | 39 | 25 | 9 | 0 | 0 | 0 | 6 |
| Linn County | Missouri | B | 38 | 71 | 8 | 0 | 0 | 0 | 7 |
| Bollinger County | Missouri | B | 36 | 36 | 8 | 0 | 0 | 0 | 6 |
| Carroll County | Missouri | B | 36 | 155 | 7 | 1 | 0 | 0 | 7 |
| Shelby County | Missouri | B | 36 | 28 | 6 | 1 | 1 | 0 | 6 |
| Stone County | Missouri | B | 36 | 7 | 4 | 3 | 1 | 3 | 2 |
| Laclede County | Missouri | B | 35 | 18 | 7 | 0 | 0 | 0 | 7 |
| Holt County | Missouri | B | 35 | 25 | 7 | 0 | 0 | 0 | 7 |
| Pettis County | Missouri | B | 35 | 28 | 6 | 0 | 1 | 0 | 6 |
| Miller County | Missouri | B | 34 | 15 | 7 | 1 | 0 | 0 | 6 |
| Henry County | Missouri | B | 34 | 51 | 5 | 9 | 0 | 0 | 5 |
| Macon County | Missouri | B | 33 | 56 | 8 | 1 | 0 | 0 | 4 |
| Caldwell County | Missouri | B | 32 | 26 | 6 | 0 | 0 | 1 | 5 |
| Benton County | Missouri | B | 31 | 26 | 6 | 1 | 0 | 0 | 6 |
| Bates County | Missouri | B | 30 | 26 | 6 | 2 | 0 | 0 | 5 |
| Saline County | Missouri | B | 28 | 20 | 6 | 0 | 0 | 0 | 5 |
| Moniteau County | Missouri | B | 28 | 18 | 6 | 0 | 0 | 0 | 5 |
| Adair County | Missouri | B | 27 | 56 | 5 | 4 | 0 | 0 | 4 |
| Vernon County | Missouri | B | 27 | 43 | 5 | 2 | 0 | 0 | 5 |
| Maries County | Missouri | B | 26 | 32 | 5 | 3 | 0 | 0 | 4 |
| Knox County | Missouri | B | 25 | 94 | 5 | 2 | 0 | 0 | 4 |
| Carter County | Missouri | B | 25 | 13 | 5 | 0 | 0 | 0 | 5 |
| Texas County | Missouri | B | 25 | 9 | 4 | 0 | 1 | 1 | 2 |
| Wright County | Missouri | B | 24 | 12 | 5 | 1 | 0 | 0 | 4 |
| Putnam County | Missouri | B | 24 | 86 | 4 | 2 | 0 | 1 | 3 |
| Ozark County | Missouri | B | 23 | 6 | 5 | 0 | 0 | 0 | 4 |
| Sullivan County | Missouri | B | 23 | 179 | 5 | 2 | 0 | 0 | 3 |
| Shannon County | Missouri | B | 22 | 9 | 4 | 0 | 0 | 1 | 3 |
| Gentry County | Missouri | B | 21 | 24 | 4 | 1 | 0 | 0 | 4 |
| Clark County | Missouri | B | 20 | 64 | 4 | 2 | 0 | 0 | 3 |
| Harrison County | Missouri | B | 20 | 303 | 4 | 4 | 0 | 0 | 2 |
| Monroe County | Missouri | B | 20 | 36 | 4 | 0 | 0 | 0 | 4 |
| Jasper County | Missouri | B | 20 | 13 | 4 | 0 | 0 | 0 | 4 |
| Chariton County | Missouri | B | 20 | 35 | 2 | 2 | 2 | 0 | 1 |
| Taney County | Missouri | A | 19 | 9 | 5 | 0 | 0 | 0 | 2 |
| Scott County | Missouri | A | 19 | 16 | 5 | 0 | 0 | 0 | 2 |
| Atchison County | Missouri | A | 16 | 12 | 3 | 1 | 0 | 0 | 3 |
| Marion County | Missouri | A | 15 | 45 | 3 | 0 | 0 | 0 | 3 |
| Worth County | Missouri | A | 15 | 66 | 3 | 0 | 0 | 0 | 3 |
| Daviess County | Missouri | A | 14 | 24 | 4 | 0 | 0 | 0 | 1 |
| Christian County | Missouri | A | 12 | 6 | 2 | 0 | 0 | 1 | 1 |
| Dunklin County | Missouri | A | 10 | 2 | 2 | 0 | 0 | 0 | 2 |
| Schuyler County | Missouri | A | 10 | 74 | 2 | 0 | 0 | 0 | 2 |
| Scotland County | Missouri | A | 9 | 54 | 2 | 1 | 0 | 0 | 1 |
| Hickory County | Missouri | A | 8 | 7 | 2 | 0 | 0 | 0 | 1 |
| Cedar County | Missouri | A | 8 | 9 | 2 | 0 | 0 | 0 | 1 |
| Polk County | Missouri | A | 7 | 13 | 1 | 2 | 0 | 0 | 1 |
| Morgan County | Missouri | A | 7 | 10 | 1 | 2 | 0 | 0 | 1 |
| Barton County | Missouri | A | 6 | 34 | 1 | 1 | 0 | 0 | 1 |
| Oregon County | Missouri | A | 6 | 9 | 1 | 1 | 0 | 0 | 1 |
| Dallas County | Missouri | A | 5 | 4 | 1 | 0 | 0 | 0 | 1 |
| Douglas County | Missouri | A | 5 | 5 | 1 | 0 | 0 | 0 | 1 |
| McDonald County | Missouri | A | 5 | 3 | 1 | 0 | 0 | 0 | 1 |
| St. Clair County | Missouri | A | 5 | 13 | 1 | 0 | 0 | 0 | 1 |
| Cooper County | Missouri | A | 5 | 18 | 1 | 0 | 0 | 0 | 1 |
| Pulaski County | Missouri | A | 5 | 11 | 0 | 0 | 1 | 0 | 0 |
| Adams County | Missouri | A | 2 | 2 | 0 | 2 | 0 | 0 | 0 |
| Dade County | Missouri | A | 1 | 11 | 0 | 1 | 0 | 0 | 0 |
| Calhoun County | Missouri | A | 1 | 1 | 0 | 1 | 0 | 0 | 0 |
| Lawrence County | Missouri | A | 0 | 7 | 0 | 0 | 0 | 0 | 0 |
| Barry County | Missouri | A | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| New Madrid County | Missouri | A | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Pemiscot County | Missouri | A | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
| Mississippi County | Missouri | A | 0 | 3 | 0 | 0 | 0 | 0 | 0 |