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U.S. 50-State EPA Environmental Risk & Regulated Facility Directory
Browse state-level environmental risk summaries compiled from 3,230,651 U.S. EPA Facility Registry Service (FRS), ECHO enforcement, RCRA hazardous waste, and Toxics Release Inventory (TRI) public records. Each state hub includes county radon potential, municipal directories, and ZIP code hazard rankings.
| State / Territory | Total EPA Sites | High-Risk Sites (Score 62–100) | Active Violators | RCRA Hazardous Waste | TRI Chemical Sites | Total Federal Penalties |
|---|---|---|---|---|---|---|
| California (CA) | 690,395 | 1,798 | 2,728 | 615,974 | 1,075 | $677,996,366 |
| Georgia (GA) | 173,651 | 1,218 | 2,925 | 15,900 | 724 | $176,137,882 |
| Texas (TX) | 171,922 | 2,788 | 4,384 | 38,277 | 1,940 | $537,519,606 |
| Florida (FL) | 167,739 | 1,108 | 1,710 | 51,499 | 759 | $252,590,865 |
| New York (NY) | 160,771 | 1,764 | 3,222 | 119,174 | 543 | $423,446,352 |
| Illinois (IL) | 108,346 | 1,407 | 3,398 | 43,426 | 941 | $269,505,103 |
| Pennsylvania (PA) | 100,493 | 2,668 | 7,012 | 34,399 | 1,042 | $374,258,420 |
| Colorado (CO) | 79,903 | 1,092 | 2,307 | 14,786 | 262 | $166,444,803 |
| New Jersey (NJ) | 74,024 | 1,335 | 3,865 | 36,376 | 329 | $130,019,102 |
| Louisiana (LA) | 73,535 | 2,867 | 4,117 | 23,430 | 393 | $71,334,005 |
| Minnesota (MN) | 73,113 | 332 | 480 | 47,858 | 489 | $108,381,513 |
| North Carolina (NC) | 67,486 | 1,157 | 1,949 | 17,984 | 778 | $235,803,575 |
| Michigan (MI) | 66,179 | 817 | 2,597 | 48,011 | 765 | $326,119,432 |
| Ohio (OH) | 63,767 | 1,114 | 3,151 | 36,032 | 1,267 | $316,947,142 |
| Missouri (MO) | 61,886 | 926 | 2,595 | 19,922 | 517 | $116,467,392 |
| Indiana (IN) | 58,392 | 862 | 1,551 | 17,726 | 885 | $1,852,745,844 |
| Alabama (AL) | 58,197 | 715 | 901 | 12,014 | 558 | $126,158,756 |
| Wisconsin (WI) | 57,405 | 329 | 1,603 | 27,115 | 847 | $209,135,330 |
| Massachusetts (MA) | 51,634 | 671 | 1,039 | 35,075 | 357 | $90,651,430 |
| Virginia (VA) | 49,239 | 727 | 1,019 | 16,769 | 409 | $130,816,608 |
| Utah (UT) | 48,794 | 192 | 502 | 4,609 | 220 | $170,084,229 |
| Tennessee (TN) | 48,290 | 837 | 1,320 | 15,315 | 628 | $149,674,342 |
| Washington (WA) | 46,871 | 2,436 | 6,192 | 20,408 | 301 | $162,506,471 |
| West Virginia (WV) | 46,428 | 1,874 | 3,003 | 12,947 | 166 | $178,466,281 |
| Kansas (KS) | 43,175 | 293 | 733 | 13,327 | 318 | $129,562,170 |
| Kentucky (KY) | 40,645 | 909 | 1,401 | 11,360 | 403 | $161,224,430 |
| Maryland (MD) | 38,693 | 709 | 1,110 | 16,182 | 162 | $120,828,690 |
| South Carolina (SC) | 36,650 | 514 | 854 | 10,143 | 560 | $115,129,821 |
| Oklahoma (OK) | 35,672 | 533 | 699 | 7,960 | 381 | $15,967,702 |
| New Hampshire (NH) | 28,415 | 154 | 311 | 20,324 | 113 | $47,879,860 |
| New Mexico (NM) | 27,991 | 628 | 757 | 4,906 | 93 | $1,263,371,823 |
| Connecticut (CT) | 25,161 | 357 | 1,162 | 9,751 | 252 | $52,093,280 |
| Oregon (OR) | 25,125 | 809 | 1,249 | 11,357 | 274 | $91,955,197 |
| Arizona (AZ) | 24,390 | 211 | 699 | 11,969 | 307 | $99,702,410 |
| Iowa (IA) | 22,726 | 373 | 940 | 9,819 | 463 | $94,348,763 |
| Arkansas (AR) | 22,418 | 691 | 951 | 5,856 | 351 | $20,531,537 |
| Montana (MT) | 21,414 | 152 | 704 | 3,445 | 61 | $73,593,258 |
| Idaho (ID) | 17,223 | 324 | 1,222 | 3,252 | 128 | $110,531,356 |
| Mississippi (MS) | 16,751 | 419 | 717 | 4,343 | 318 | $78,342,614 |
| Alaska (AK) | 15,535 | 315 | 1,195 | 2,484 | 44 | $61,433,667 |
| Nebraska (NE) | 14,570 | 179 | 330 | 4,256 | 199 | $77,402,521 |
| Maine (ME) | 13,137 | 134 | 582 | 4,325 | 69 | $50,097,876 |
| Vermont (VT) | 13,093 | 105 | 365 | 7,128 | 36 | $34,639,723 |
| Nevada (NV) | 12,536 | 127 | 194 | 5,519 | 145 | $58,531,994 |
| North Dakota (ND) | 11,916 | 136 | 299 | 2,108 | 89 | $130,422,043 |
| Wyoming (WY) | 11,290 | 146 | 584 | 3,631 | 62 | $65,276,970 |
| Rhode Island (RI) | 10,283 | 105 | 179 | 8,011 | 80 | $17,359,581 |
| Puerto Rico (PR) | 10,139 | 343 | 575 | 5,271 | 104 | $23,341,896 |
| Hawaii (HI) | 9,918 | 109 | 187 | 2,809 | 36 | $59,049,207 |
| South Dakota (SD) | 8,668 | 57 | 154 | 2,422 | 113 | $53,595,972 |
| Delaware (DE) | 4,343 | 74 | 115 | 2,331 | 52 | $20,319,082 |
| District of Columbia (DC) | 3,950 | 75 | 168 | 2,740 | 10 | $1,068,199 |