What is PFAS?
Water suppliers
PFAS value per supplier, 2023–2025. EPA limit — 4 ppt (0.004 µg/L) for PFOA and PFOS, set in 2024. Suppliers that detected PFOA or PFOS
are highlighted and listed first. “Not detected” means the contaminant was measured but
not found.
| Supplier | City | Population | PFAS (ug/L) |
|---|---|---|---|
| Aibonito La Plata | Aibonito | 16,354 | 0.0467 µg/L |
| Experimental | Juana Diaz | 6,445 | 0.0220 µg/L |
| Patillas Urbano | Patillas | 32,222 | 0.0143 µg/L |
| Jacaguas | Juana Diaz | 4,261 | 0.0124 µg/L |
| Santa Isabel Urbano | Ponce | 39,925 | 0.0103 µg/L |
| Cidra Urbano | Cidra | 34,424 | 0.0098 µg/L |
| Salinas Urbano | Salinas | 8,977 | 0.0096 µg/L |
| Caguas Norte | Caguas | 47,352 | 0.0074 µg/L |
| Las Bocas | Barranquitas | 11,022 | 0.0072 µg/L |
| Aruz | Juana Diaz | 5,105 | 0.0071 µg/L |
| Morovis Urbano | Morovis | 20,927 | 0.0067 µg/L |
| Manati East | Manati | 13,580 | 0.0067 µg/L |
| Las Piedras Humacao | Humacao | 38,897 | 0.0054 µg/L |
| Aguadilla | Aguada | 124,782 | 0.0053 µg/L |
| Juncos - Ceiba Sur | Juncos | 36,835 | 0.0048 µg/L |
| Maunabo Urbano | Maunabo | 9,380 | 0.0048 µg/L |
| Us Army, Fort Buchanan | Guaynabo | 6,411 | 0.0046 µg/L |
| Vega Baja Urbano | Vega Baja | 26,935 | 0.0044 µg/L |
| Gurabo Urbano | Gurabo | 25,469 | 0.0044 µg/L |
| Aibonito Urbano | Aibonito | 5,580 | 0.0043 µg/L |
| Aguas Buenas Urbano | Aguas Buenas | 13,233 | 0.0042 µg/L |
| Mayaguez | Anasco | 152,342 | Not detected |
| Rio Blanco,Vieques,Culedra | Las Piedras | 79,822 | Not detected |
| El Yunque | Rio Grande | 68,114 | Not detected |
| Fajardo Ceiba | Fajardo | 59,044 | Not detected |
| Isabela | Isabela | 49,937 | Not detected |
| Lajas | Lajas | 47,350 | Not detected |
| Guayama Urbano | Arroyo | 37,076 | Not detected |
| Yauco | Yauco | 35,639 | Not detected |
| Caguas Sur | Caguas | 34,261 | Not detected |
| Regional Villalba Toa Vaca | Villalba | 34,259 | Not detected |
| Quebradillas Urbano | Quebradillas | 27,760 | Not detected |
| San Lorenzo Urbano | San Lorenzo | 26,470 | Not detected |
| Sabana Grande | Sabana Grande | 25,832 | Not detected |
| San Sebastian | San Sebastian | 25,752 | Not detected |
| Cabo Rojo | Cabo Rojo | 20,356 | Not detected |
| Santana | Arecibo | 19,657 | Not detected |
| Cayey Urbano | Cayey | 18,335 | Not detected |
| Penuelas | Penuelas | 17,326 | Not detected |
| Orocovis Urbano | Orocovis | 16,992 | Not detected |
| Lares Espino | Lares | 16,896 | Not detected |
| Barceloneta Urbano | Barceloneta | 16,404 | Not detected |
| Negros | Corozal | 14,939 | Not detected |
| Comerio Urbano | Comerio | 14,912 | Not detected |
| Utuado Urbano | Utuado | 13,070 | Not detected |
| Lares Urbano | Lares | 12,138 | Not detected |
| Hormiguero | Hormiguero | 10,587 | Not detected |
| Florida Urbano | Florida | 10,405 | Not detected |
| Lago Guajataca | Isabela | 10,018 | Not detected |
| Quebrada | Camuy | 9,377 | Not detected |
| Aceitunas | Villalba | 9,030 | Not detected |
| Luquillo Urbano | Luquillo | 9,001 | Not detected |
| Jayuya Urbano | Jayuya | 7,746 | Not detected |
| Garrochales | Arecibo | 7,465 | Not detected |
| Guayanilla Urbano | Guayanilla | 7,302 | Not detected |
| Las Marias | Las Marias | 7,193 | Not detected |
| Guanica Urbano | Guanica | 6,881 | Not detected |
| Coqui | Coqui | 6,237 | Not detected |
| Corozal Urbano | Corozal | 6,162 | Not detected |
| Ensenada | Guanica | 6,130 | Not detected |
| Cerrillos | Ponce | 5,658 | Not detected |
| Cedro Arriba | Naranjito | 5,444 | Not detected |
| Bo. Nuevo | Bayamon | 4,961 | Not detected |
| Ciales Urbano | Ciales | 4,841 | Not detected |
| Roncador | Utuado | 4,734 | Not detected |
| Jaguas Pozas | Ciales | 4,699 | Not detected |
| Coamo Urbano | Coamo | 4,603 | Not detected |
| Jagual | Jagual | 4,021 | Not detected |
| Plata I Y Ii | Moca | 3,978 | Not detected |
| Cienega | Camuy | 3,952 | Not detected |
| Pugnado | Pugnado | 3,591 | Not detected |
| Maricao | Maricao | 3,455 | Not detected |
| Deportivo | Guayanilla | 3,420 | Not detected |
| Bajadero | Arecibo | 3,402 | Not detected |
| Santa Isabel | Utuado | 3,402 | Not detected |
| Garzas | Adjuntas | 3,354 | Not detected |
| Piedras Blancas | Guayanilla | 3,351 | Not detected |
| Adjuntas Urbano | Adjuntas | 2,870 | Not detected |
| El Rosario | San German | 2,374 | Not detected |
| Sabana Grande | Utaudo | 1,762 | Not detected |
| Asociacion Acueducto Mulas Jagual, Inc. | Patillas | 652 | Not detected |
| Veguitas Gripinas | Jayuya | 130 | Not detected |
| Bo. Jacaboa- Higuero | Patillas | 70 | Not detected |
| Superacueducto | San Juan | 25 | Not detected |