2026 PUBLIC RESEARCH STUDY • CITABLE FEDERAL DATA BENCHMARKS (November 03, 2026)
2026 U.S. States, Cities & ZIP Codes Ranked by EPA Hazard Density & Flood History
An open, citable national study compiled from 3,230,651 U.S. EPA-regulated facilities, 117,587 High-Risk enforcement sites, RCRA hazardous waste generators, and FEMA disaster declarations across all 50 states.
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1. All 50 U.S. States Ranked by Regulated EPA Facilities & High-Risk Enforcement Sites
Click any state to inspect county-level rankings, municipal corridors, FEMA flood disaster counts, USDA soil shrink-swell risk, and local ZIP codes.
| Rank | State | Total EPA Sites | High-Risk Sites (%) | Active Violators | RCRA HazWaste | Federal Penalties |
|---|---|---|---|---|---|---|
| #1 | California (CA) | 690,395 | 1,798 (0.3%) | 2,728 | 615,974 | $677,996,366 |
| #2 | Georgia (GA) | 173,651 | 1,218 (0.7%) | 2,925 | 15,900 | $176,137,882 |
| #3 | Texas (TX) | 171,922 | 2,788 (1.6%) | 4,384 | 38,277 | $537,519,606 |
| #4 | Florida (FL) | 167,739 | 1,108 (0.7%) | 1,710 | 51,499 | $252,590,865 |
| #5 | New York (NY) | 160,771 | 1,764 (1.1%) | 3,222 | 119,174 | $423,446,352 |
| #6 | Illinois (IL) | 108,346 | 1,407 (1.3%) | 3,398 | 43,426 | $269,505,103 |
| #7 | Pennsylvania (PA) | 100,493 | 2,668 (2.7%) | 7,012 | 34,399 | $374,258,420 |
| #8 | Colorado (CO) | 79,903 | 1,092 (1.4%) | 2,307 | 14,786 | $166,444,803 |
| #9 | New Jersey (NJ) | 74,024 | 1,335 (1.8%) | 3,865 | 36,376 | $130,019,102 |
| #10 | Louisiana (LA) | 73,535 | 2,867 (3.9%) | 4,117 | 23,430 | $71,334,005 |
| #11 | Minnesota (MN) | 73,113 | 332 (0.5%) | 480 | 47,858 | $108,381,513 |
| #12 | North Carolina (NC) | 67,486 | 1,157 (1.7%) | 1,949 | 17,984 | $235,803,575 |
| #13 | Michigan (MI) | 66,179 | 817 (1.2%) | 2,597 | 48,011 | $326,119,432 |
| #14 | Ohio (OH) | 63,767 | 1,114 (1.7%) | 3,151 | 36,032 | $316,947,142 |
| #15 | Missouri (MO) | 61,886 | 926 (1.5%) | 2,595 | 19,922 | $116,467,392 |
| #16 | Indiana (IN) | 58,392 | 862 (1.5%) | 1,551 | 17,726 | $1,852,745,844 |
| #17 | Alabama (AL) | 58,197 | 715 (1.2%) | 901 | 12,014 | $126,158,756 |
| #18 | Wisconsin (WI) | 57,405 | 329 (0.6%) | 1,603 | 27,115 | $209,135,330 |
| #19 | Massachusetts (MA) | 51,634 | 671 (1.3%) | 1,039 | 35,075 | $90,651,430 |
| #20 | Virginia (VA) | 49,239 | 727 (1.5%) | 1,019 | 16,769 | $130,816,608 |
| #21 | Utah (UT) | 48,794 | 192 (0.4%) | 502 | 4,609 | $170,084,229 |
| #22 | Tennessee (TN) | 48,290 | 837 (1.7%) | 1,320 | 15,315 | $149,674,342 |
| #23 | Washington (WA) | 46,871 | 2,436 (5.2%) | 6,192 | 20,408 | $162,506,471 |
| #24 | West Virginia (WV) | 46,428 | 1,874 (4.0%) | 3,003 | 12,947 | $178,466,281 |
| #25 | Kansas (KS) | 43,175 | 293 (0.7%) | 733 | 13,327 | $129,562,170 |
| #26 | Kentucky (KY) | 40,645 | 909 (2.2%) | 1,401 | 11,360 | $161,224,430 |
| #27 | Maryland (MD) | 38,693 | 709 (1.8%) | 1,110 | 16,182 | $120,828,690 |
| #28 | South Carolina (SC) | 36,650 | 514 (1.4%) | 854 | 10,143 | $115,129,821 |
| #29 | Oklahoma (OK) | 35,672 | 533 (1.5%) | 699 | 7,960 | $15,967,702 |
| #30 | New Hampshire (NH) | 28,415 | 154 (0.5%) | 311 | 20,324 | $47,879,860 |
| #31 | New Mexico (NM) | 27,991 | 628 (2.2%) | 757 | 4,906 | $1,263,371,823 |
| #32 | Connecticut (CT) | 25,161 | 357 (1.4%) | 1,162 | 9,751 | $52,093,280 |
| #33 | Oregon (OR) | 25,125 | 809 (3.2%) | 1,249 | 11,357 | $91,955,197 |
| #34 | Arizona (AZ) | 24,390 | 211 (0.9%) | 699 | 11,969 | $99,702,410 |
| #35 | Iowa (IA) | 22,726 | 373 (1.6%) | 940 | 9,819 | $94,348,763 |
| #36 | Arkansas (AR) | 22,418 | 691 (3.1%) | 951 | 5,856 | $20,531,537 |
| #37 | Montana (MT) | 21,414 | 152 (0.7%) | 704 | 3,445 | $73,593,258 |
| #38 | Idaho (ID) | 17,223 | 324 (1.9%) | 1,222 | 3,252 | $110,531,356 |
| #39 | Mississippi (MS) | 16,751 | 419 (2.5%) | 717 | 4,343 | $78,342,614 |
| #40 | Alaska (AK) | 15,535 | 315 (2.0%) | 1,195 | 2,484 | $61,433,667 |
| #41 | Nebraska (NE) | 14,570 | 179 (1.2%) | 330 | 4,256 | $77,402,521 |
| #42 | Maine (ME) | 13,137 | 134 (1.0%) | 582 | 4,325 | $50,097,876 |
| #43 | Vermont (VT) | 13,093 | 105 (0.8%) | 365 | 7,128 | $34,639,723 |
| #44 | Nevada (NV) | 12,536 | 127 (1.0%) | 194 | 5,519 | $58,531,994 |
| #45 | North Dakota (ND) | 11,916 | 136 (1.1%) | 299 | 2,108 | $130,422,043 |
| #46 | Wyoming (WY) | 11,290 | 146 (1.3%) | 584 | 3,631 | $65,276,970 |
| #47 | Rhode Island (RI) | 10,283 | 105 (1.0%) | 179 | 8,011 | $17,359,581 |
| #48 | Puerto Rico (PR) | 10,139 | 343 (3.4%) | 575 | 5,271 | $23,341,896 |
| #49 | Hawaii (HI) | 9,918 | 109 (1.1%) | 187 | 2,809 | $59,049,207 |
| #50 | South Dakota (SD) | 8,668 | 57 (0.7%) | 154 | 2,422 | $53,595,972 |
| #51 | Delaware (DE) | 4,343 | 74 (1.7%) | 115 | 2,331 | $20,319,082 |
| #52 | District of Columbia (DC) | 3,950 | 75 (1.9%) | 168 | 2,740 | $1,068,199 |
2. Top 30 U.S. Cities Ranked by High-Risk Environmental & HazMat Sites
Municipalities with the highest count of Significant Non-Compliance (SNC), penalized, or toxic-release industrial facilities.
| Rank | City, State | High-Risk Sites | Total EPA Sites | Active Violators | RCRA HazWaste | Federal Penalties |
|---|---|---|---|---|---|---|
| #1 | Houston, TX | 202 | 14,830 | 370 | 5,730 | $82,894,946 |
| #2 | Seattle, WA | 124 | 4,174 | 278 | 3,408 | $18,614,483 |
| #3 | Baton Rouge, LA | 113 | 5,170 | 179 | 2,152 | $2,109,859 |
| #4 | Philadelphia, PA | 107 | 4,521 | 101 | 2,909 | $15,083,802 |
| #5 | Portland, OR | 105 | 4,025 | 72 | 3,071 | $26,564,303 |
| #6 | Atlanta, GA | 99 | 5,981 | 155 | 1,802 | $16,595,636 |
| #7 | Baltimore, MD | 88 | 5,327 | 98 | 2,873 | $9,728,877 |
| #8 | Houma, LA | 87 | 1,465 | 117 | 637 | $607,267 |
| #9 | Lafayette, LA | 84 | 2,212 | 129 | 1,070 | $1,985,632 |
| #10 | Tacoma, WA | 84 | 1,961 | 236 | 1,371 | $1,768,321 |
| #11 | Albuquerque, NM | 82 | 5,124 | 104 | 1,732 | $2,955,019 |
| #12 | Hammond, LA | 80 | 843 | 105 | 256 | $948,958 |
| #13 | Vancouver, WA | 79 | 1,415 | 237 | 683 | $5,600,400 |
| #14 | Brooklyn, NY | 78 | 19,906 | 61 | 18,358 | $51,114,084 |
| #15 | Bakersfield, CA | 75 | 7,234 | 47 | 6,255 | $18,891,549 |
| #16 | Washington, DC | 73 | 3,816 | 165 | 2,728 | $989,199 |
| #17 | Slidell, LA | 71 | 1,057 | 111 | 380 | $788,585 |
| #18 | Memphis, TN | 70 | 3,733 | 58 | 2,546 | $13,749,757 |
| #19 | Denver, CO | 69 | 6,991 | 182 | 2,833 | $2,346,342 |
| #20 | Lake Charles, LA | 69 | 1,830 | 131 | 776 | $938,979 |
| #21 | Los Angeles, CA | 65 | 30,276 | 49 | 28,684 | $30,329,513 |
| #22 | Nashville, TN | 65 | 3,933 | 45 | 1,858 | $7,799,858 |
| #23 | Bellingham, WA | 65 | 764 | 138 | 343 | $5,580,520 |
| #24 | Covington, LA | 64 | 1,063 | 91 | 234 | $514,368 |
| #25 | Dallas, TX | 63 | 5,606 | 31 | 2,405 | $21,842,787 |
| #26 | Indianapolis, IN | 62 | 5,133 | 50 | 2,791 | $22,290,761 |
| #27 | Louisville, KY | 57 | 4,627 | 73 | 2,261 | $24,083,629 |
| #28 | Chicago, IL | 54 | 10,452 | 81 | 7,673 | $9,840,532 |
| #29 | Ponchatoula, LA | 54 | 430 | 52 | 81 | $1,064,950 |
| #30 | Spokane, WA | 52 | 1,471 | 93 | 1,092 | $6,820,617 |
3. Top 30 U.S. Postal ZIP Codes Ranked by High-Risk EPA Facility Count
5-digit postal sectors with the highest concentration of high-risk industrial sites, chemical handlers, and enforcement dockets.
| Rank | ZIP Code | City, State | High-Risk Sites | Total EPA Sites | RCRA HazWaste | Federal Penalties |
|---|---|---|---|---|---|---|
| #1 | ZIP 70000 | Hopedale, LA | 388 | 13,056 | 96 | $2,131,407 |
| #2 | ZIP 00000 | Unknown, GA | 148 | 75,074 | 491 | $1,929,512 |
| #3 | ZIP 70769 | Prairieville, LA | 42 | 608 | 99 | $439,432 |
| #4 | ZIP 98226 | Bellingham, WA | 40 | 403 | 136 | $5,446,400 |
| #5 | ZIP 88263 | Malaga, NM | 38 | 520 | 4 | $59,403,789 |
| #6 | ZIP 70726 | Denham Springs, LA | 37 | 495 | 170 | $592,869 |
| #7 | ZIP 71730 | El Dorado, AR | 37 | 397 | 135 | $1,355,063 |
| #8 | ZIP 98223 | Arlington, WA | 37 | 387 | 146 | $5,310,000 |
| #9 | ZIP 98032 | Kent, WA | 36 | 734 | 551 | $1,446,300 |
| #10 | ZIP 25801 | Beckley, WV | 36 | 604 | 325 | $5,425,000 |
| #11 | ZIP 80644 | Kersey Area, CO | 35 | 1,319 | 8 | $4,517,109 |
| #12 | ZIP 70454 | Ponchatoula, LA | 35 | 304 | 82 | $442,850 |
| #13 | ZIP 93308 | Bakersfield, CA | 34 | 1,706 | 1,490 | $9,562,439 |
| #14 | ZIP 70357 | Golden Meadow, LA | 34 | 407 | 168 | $198,063 |
| #15 | ZIP 80631 | Greeley, CO | 33 | 1,629 | 194 | $12,080,256 |
| #16 | ZIP 70037 | Belle Chasse, LA | 33 | 452 | 219 | $233,980 |
| #17 | ZIP 98421 | Tacoma, WA | 33 | 445 | 320 | $163,346 |
| #18 | ZIP 88256 | Loving, NM | 33 | 412 | 21 | $29,331,345 |
| #19 | ZIP 00802 | Charlotte Amalie, VI | 33 | 346 | 112 | $2,193,481 |
| #20 | ZIP 70403 | Hammond, LA | 33 | 302 | 102 | $18,077 |
| #21 | ZIP 98532 | Chehalis, WA | 33 | 253 | 102 | $249,500 |
| #22 | ZIP 99999 | Park, WY | 32 | 3,071 | 365 | $56,875 |
| #23 | ZIP 70767 | Port Allen, LA | 32 | 460 | 194 | $653,250 |
| #24 | ZIP 97230 | Portland, OR | 32 | 286 | 173 | $111,137 |
| #25 | ZIP 98248 | Ferndale, WA | 32 | 243 | 65 | $10,321,048 |
| #26 | ZIP 70518 | Broussard, LA | 31 | 631 | 345 | $414,989 |
| #27 | ZIP 70560 | New Iberia, LA | 31 | 629 | 361 | $444,732 |
| #28 | ZIP 98108 | Seattle, WA | 31 | 564 | 452 | $16,135,037 |
| #29 | ZIP 77571 | La Porte, TX | 31 | 456 | 167 | $3,545,809 |
| #30 | ZIP 97015 | Happy Valley, OR | 31 | 279 | 181 | $271,201 |
How to Cite This 2026 National Dataset
Copy the standard citation or HTML attribution link below when referencing this data in news articles, market reports, or academic papers:
FullPropertyReport Research Team (2026). "2026 U.S. States, Cities & ZIP Codes Ranked by EPA Hazard Density & Flood History." FullPropertyReport.com. Retrieved from https://fullpropertyreport.com/rankings