Mine Safety
Mines and accidents reported to the Mine Safety and Health Administration
- Mines listed
- 13,663
- Active
- 6,646
- Employees
- 195,715
- Accidents reported in 2025
- 5,546
Mines are listed from MSHA's mine data, excluding mines recorded as abandoned. Accident counts are reports filed with MSHA for the calendar year, including injuries and illnesses at the mine, and are counts only. Operator names are shown only when they are companies or agencies.
By state
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| State | Mines | Active | Coal | Employees | Accidents 2025 |
|---|---|---|---|---|---|
| Alabama | 222 | 187 | 33 | 5,611 | 208 |
| Alaska | 217 | 9 | 1 | 3,771 | 88 |
| Arizona | 343 | 169 | 1 | 14,999 | 364 |
| Arkansas | 160 | 126 | 0 | 2,275 | 53 |
| California | 421 | 300 | 0 | 7,538 | 155 |
| Colorado | 315 | 134 | 10 | 4,045 | 109 |
| Connecticut | 111 | 43 | 0 | 577 | 5 |
| Delaware | 9 | 8 | 0 | 76 | 1 |
| Florida | 173 | 157 | 0 | 4,496 | 105 |
| Georgia | 196 | 178 | 0 | 5,312 | 90 |
| Hawaii | 33 | 21 | 0 | 334 | 8 |
| Idaho | 264 | 89 | 0 | 2,443 | 69 |
| Illinois | 261 | 146 | 46 | 4,432 | 257 |
| Indiana | 262 | 200 | 22 | 4,564 | 133 |
| Iowa | 264 | 120 | 0 | 2,002 | 49 |
| Kansas | 217 | 114 | 0 | 1,536 | 36 |
| Kentucky | 417 | 201 | 277 | 5,723 | 290 |
| Louisiana | 104 | 80 | 1 | 1,607 | 43 |
| Maine | 367 | 56 | 0 | 989 | 10 |
| Maryland | 75 | 59 | 20 | 1,270 | 35 |
| Massachusetts | 145 | 59 | 0 | 906 | 26 |
| Michigan | 451 | 94 | 0 | 3,877 | 100 |
| Minnesota | 639 | 55 | 0 | 5,031 | 115 |
| Mississippi | 81 | 69 | 1 | 1,023 | 9 |
| Missouri | 331 | 227 | 1 | 5,827 | 157 |
| Montana | 255 | 66 | 7 | 4,109 | 90 |
| Nebraska | 134 | 37 | 0 | 874 | 25 |
| Nevada | 241 | 134 | 0 | 13,142 | 199 |
| New Hampshire | 174 | 52 | 0 | 674 | 13 |
| New Jersey | 66 | 56 | 0 | 1,011 | 42 |
| New Mexico | 194 | 101 | 6 | 3,425 | 65 |
| New York | 592 | 145 | 0 | 3,307 | 89 |
| North Carolina | 244 | 202 | 0 | 3,409 | 57 |
| North Dakota | 135 | 14 | 6 | 1,645 | 10 |
| Ohio | 322 | 202 | 21 | 3,534 | 120 |
| Oklahoma | 233 | 166 | 0 | 2,936 | 77 |
| Oregon | 281 | 141 | 0 | 1,439 | 38 |
| Pennsylvania | 684 | 408 | 240 | 9,193 | 341 |
| Rhode Island | 43 | 18 | 0 | 234 | 6 |
| South Carolina | 107 | 93 | 0 | 2,498 | 56 |
| South Dakota | 153 | 44 | 0 | 1,043 | 28 |
| Tennessee | 305 | 262 | 2 | 3,470 | 62 |
| Texas | 920 | 621 | 5 | 13,219 | 256 |
| Utah | 309 | 148 | 14 | 4,581 | 147 |
| Vermont | 198 | 31 | 0 | 881 | 24 |
| Virginia | 314 | 173 | 149 | 4,405 | 141 |
| Washington | 270 | 135 | 1 | 1,524 | 46 |
| West Virginia | 462 | 217 | 415 | 13,187 | 841 |
| Wisconsin | 639 | 132 | 0 | 3,045 | 69 |
| Wyoming | 235 | 77 | 21 | 7,485 | 164 |
| Puerto Rico | 54 | 51 | 0 | 771 | 23 |
| U.S. Virgin Islands | 3 | 3 | 0 | 47 | 2 |
| Guam | 4 | 3 | 0 | 191 | 0 |
| Northern Mariana Islands | 8 | 8 | 0 | 135 | 0 |
| American Samoa | 6 | 5 | 0 | 37 | 0 |
Source: Mine Safety and Health Administration, Open Government Data · Last updated 10/22/2026