| | Area (km2) | Total # | # filtered | Distance (km) | % total # |
| North | | | | | | Acre | 163,648 | 20 | 6 | 165.2 | 30.0 | Amapa | 140,480 | 105 | 70 | 44.8 | 66.7 | Amazonas | 1,538,110 | 199 | 155 | 99.6 | 77.9 | Pará | 1,230,080 | 123 | 94 | 114.4 | 76.4 | Rondônia | 237,760 | 24 | 12 | 140.8 | 50.0 | Roraima | 221,056 | 54 | 38 | 76.3 | 70.4 | Tocatins | 276,416 | 181 | 96 | 53.7 | 53.0 | | 3,807,550 | 706 | 471 | 99.2 | 60.6 |
| Northeast | | | | | | Alagoas | 27,768 | 76 | 36 | 27.8 | 47.4 | Bahia | 568,256 | 508 | 385 | 38.4 | 75.8 | Ceará | 146,688 | 1.002 | 694 | 14.5 | 69.3 | Maranhão | 327,680 | 290 | 147 | 47.2 | 50.7 | Paraíba | 56,512 | 56 | 28 | 44.9 | 50.0 | Pernanbuco | 97,664 | 122 | 66 | 38.5 | 54.1 | Piauí | 249,088 | 356 | 255 | 31.3 | 71.6 | Rio Grande do Norte | 52,608 | 34 | 22 | 48.9 | 64.7 | Sergipe | 22,016 | 38 | 24 | 30.3 | 63.2 | | 1,548,280 | 2.482 | 1.657 | 35.8 | 60.7 |
| Central-West | | | | | | Goiás | 347,648 | 345 | 254 | 37.0 | 73.6 | Mato Grosso | 910,336 | 191 | 139 | 80.9 | 72.8 | Mato Grosso do Sul | 373,696 | 199 | 121 | 55.6 | 60.8 | | 1,631,680 | 735 | 514 | 57.8 | 69.1 |
| Southeast | | | | | | Espírito Santo | 47,936 | 268 | 172 | 16.7 | 64.2 | Minas Gerais | 606,464 | 1.903 | 1.201 | 22.5 | 63.1 | Rio de Janeiro | 46,272 | 205 | 159 | 17.1 | 77.6 | São Paulo | 263,296 | 2.674 | 1.670 | 12.6 | 62.5 | | 963,968 | 5.050 | 3.202 | 17.2 | 66.8 |
| South | | | | | | Paraná | 215,232 | 1.234 | 1.036 | 14.4 | 84.0 | Rio Grande do Sul | 318,016 | 768 | 528 | 24.5 | 68.8 | Santa Catarina | 105,792 | 431 | 336 | 17.7 | 78.0 | | 639,040 | 2.433 | 1.900 | 18.9 | 76.9 |
| Brazil | 8,596,320 | 11.427 | 7.759 | 49.4 | 64.7 |
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