Public Water Systems
458 active public water systems in PR, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Metropolitano | San Juan, PR | 1,077,332 | 1,673 | Detected |
| Mayaguez | Mayaguez, PR | 151,555 | 1,188 | Clean |
| Aguadilla | Aguadilla, PR | 123,885 | 1,566 | Detected |
| Ponce Urbano | Ponce, PR | 111,926 | 2,210 | Detected |
| Rio Blanco,vieques,culedra | Naguabo, PR | 80,759 | 647 | Clean |
| El Yunque | Rio Grande, PR | 68,024 | 231 | Clean |
| Arecibo Urbano | Arecibo, PR | 61,119 | 961 | Detected |
| Fajardo Ceiba | Fajardo, PR | 58,011 | 490 | Clean |
| Isabela | Santurce, PR | 49,419 | 522 | Detected |
| Lajas | Lajas, PR | 47,531 | 337 | Clean |
| Caguas Norte | Caguas, PR | 46,530 | 315 | Detected |
| Santa Isabel Urbano | Santa Isabel, PR | 39,884 | 443 | Detected |
| Dorado Urbano | Dorado, PR | 39,733 | 245 | Detected |
| Farallon | Cayey, PR | 38,977 | 390 | - |
| Guayama Urbano | Guayama, PR | 36,606 | 561 | Clean |
| Juncos - Ceiba Sur | Juncos, PR | 36,277 | 2,179 | Detected |
| Las Piedras Humacao | Humacao, PR | 36,032 | 259 | Detected |
| Yauco | Yauco, PR | 35,618 | 300 | Detected |
| Cidra Urbano | Cidra, PR | 33,957 | 494 | Detected |
| Regional Villalba Toa Vaca | Santurce, PR | 33,711 | 233 | Clean |
| Caguas Sur | Caguas, PR | 33,231 | 229 | Clean |
| Patillas Urbano | Patillas, PR | 31,955 | 930 | Detected |
| Maguayo | Dorado, PR | 31,880 | 583 | Detected |
| Hatillo-Camuy | Hatillo, PR | 28,735 | 468 | Clean |
| Quebradillas Urbano | Quebradillas, PR | 27,458 | 838 | Clean |
| Vega Baja Urbano | Vega Baja, PR | 26,660 | 647 | Detected |
| San Lorenzo Urbano | San Lorenzo, PR | 26,094 | 260 | Clean |
| Sabana Grande | Utuado, PR | 25,229 | 647 | Detected |
| Gurabo Urbano | Gurabo, PR | 24,967 | 540 | Detected |
| San Sebastian | San Sebastian, PR | 24,449 | 250 | Clean |
| Cabo Rojo | Cabo Rojo, PR | 20,749 | 452 | Clean |
| Morovis Urbano | Morovis, PR | 20,628 | 478 | Detected |
| Santana | Arecibo, PR | 19,574 | 282 | Clean |
| Cayey Urbano | Cayey, PR | 18,185 | 438 | Detected |
| Penuelas | Penuelas, PR | 17,320 | 375 | Clean |
| Orocovis Urbano | Orocovis, PR | 16,869 | 260 | Clean |
| Lares Espino | Santurce, PR | 16,676 | 200 | Detected |
| Barceloneta Urbano | Barceloneta, PR | 16,290 | 210 | Clean |
| Aibonito la Plata | Aibonito, PR | 16,202 | 1,302 | Detected |
| Sabana Hoyos | Arecibo, PR | 15,876 | 100 | Clean |
| Coto Sur | Santurce, PR | 15,158 | 38 | - |
| Comerio Urbano | Comerio, PR | 14,872 | 261 | Detected |
| Negros | Corozal, PR | 14,781 | 500 | Clean |
| Yabucoa Urbano | Yabucoa, PR | 14,610 | 384 | Detected |
| Florida Urbano | Florida, PR | 14,303 | 264 | Clean |
| Cotto Laurel | Ponce, PR | 13,860 | 475 | Clean |
| Manati East | Manati, PR | 13,305 | 556 | Detected |
| Aguas Buenas Urbano | Aguas Buenas, PR | 13,016 | 533 | Detected |
| Utuado Urbano | Utuado, PR | 12,984 | 253 | Clean |
| Lares Urbano | Lares, PR | 12,634 | 524 | Clean |
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