PR tap water quality
381 community water systems
20.8%
exceed lead action level
(45/216 systems)
(45/216 systems)
25%
PFOA/PFOS detected
(21/84 systems)
(21/84 systems)
Largest water systems
Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the
EPA action level. “—” means no lead sample is on file for that system.
| System | City | Population | Lead (p90) |
|---|---|---|---|
| MAYAGUEZ | ANASCO | 152,342 | 0.0088 mg/L |
| AGUADILLA | AGUADA | 124,782 | 0.0090 mg/L |
| RIO BLANCO,VIEQUES,CULEDRA | LAS PIEDRAS | 79,822 | 0.0187 mg/L |
| EL YUNQUE | RIO GRANDE | 68,114 | 0.0116 mg/L |
| FAJARDO CEIBA | FAJARDO | 59,044 | 0.0348 mg/L |
| ISABELA | ISABELA | 49,937 | 0.0060 mg/L |
| CAGUAS NORTE | CAGUAS | 47,352 | 0.0060 mg/L |
| LAJAS | LAJAS | 47,350 | 0.0069 mg/L |
| SANTA ISABEL URBANO | PONCE | 39,925 | 0.0083 mg/L |
| LAS PIEDRAS HUMACAO | HUMACAO | 38,897 | 0.0145 mg/L |
| GUAYAMA URBANO | ARROYO | 37,076 | 0.0110 mg/L |
| JUNCOS - CEIBA SUR | JUNCOS | 36,835 | 0.0240 mg/L |
| YAUCO | YAUCO | 35,639 | 0.0095 mg/L |
| CIDRA URBANO | CIDRA | 34,424 | 0.0123 mg/L |
| CAGUAS SUR | CAGUAS | 34,261 | 0.0096 mg/L |
| REGIONAL VILLALBA TOA VACA | VILLALBA | 34,259 | 0.0060 mg/L |
| PATILLAS URBANO | PATILLAS | 32,222 | 0.0102 mg/L |
| QUEBRADILLAS URBANO | QUEBRADILLAS | 27,760 | 0.0083 mg/L |
| VEGA BAJA URBANO | VEGA BAJA | 26,935 | 0.0123 mg/L |
| SAN LORENZO URBANO | SAN LORENZO | 26,470 | 0.0230 mg/L |
| SABANA GRANDE | SABANA GRANDE | 25,832 | 0.0066 mg/L |
| SAN SEBASTIAN | SAN SEBASTIAN | 25,752 | 0.0089 mg/L |
| GURABO URBANO | GURABO | 25,469 | 0.0099 mg/L |
| MOROVIS URBANO | MOROVIS | 20,927 | 0.0080 mg/L |
| CABO ROJO | CABO ROJO | 20,356 | 0.0074 mg/L |
| SANTANA | ARECIBO | 19,657 | 0.0088 mg/L |
| CAYEY URBANO | CAYEY | 18,335 | 0.0143 mg/L |
| PENUELAS | PENUELAS | 17,326 | 0.0060 mg/L |
| OROCOVIS URBANO | OROCOVIS | 16,992 | 0.0250 mg/L |
| LARES ESPINO | LARES | 16,896 | 0.0060 mg/L |
| BARCELONETA URBANO | BARCELONETA | 16,404 | 0.0087 mg/L |
| AIBONITO LA PLATA | AIBONITO | 16,354 | 0.0684 mg/L |
| COTO SUR | MANATI | 15,013 | 0.0094 mg/L |
| NEGROS | COROZAL | 14,939 | 0.0134 mg/L |
| COMERIO URBANO | COMERIO | 14,912 | 0.0160 mg/L |
| MANATI EAST | MANATI | 13,580 | 0.0355 mg/L |
| AGUAS BUENAS URBANO | AGUAS BUENAS | 13,233 | 0.0090 mg/L |
| UTUADO URBANO | UTUADO | 13,070 | 0.0144 mg/L |
| LARES URBANO | LARES | 12,138 | 0.0150 mg/L |
| PONCE DE LEON | MAYAGUEZ | 11,139 | 0.0060 mg/L |
| LAS BOCAS | BARRANQUITAS | 11,022 | 0.0060 mg/L |
| HORMIGUERO | HORMIGUERO | 10,587 | 0.0072 mg/L |
| FLORIDA URBANO | FLORIDA | 10,405 | 0.0099 mg/L |
| TIERRA NUEVA RABANOS | MANATI | 10,077 | 0.0130 mg/L |
| LAGO GUAJATACA | ISABELA | 10,018 | 0.0062 mg/L |
| MAUNABO URBANO | MAUNABO | 9,380 | 0.0130 mg/L |
| QUEBRADA | CAMUY | 9,377 | 0.0122 mg/L |
| ACEITUNAS | VILLALBA | 9,030 | 0.0075 mg/L |
| LUQUILLO URBANO | LUQUILLO | 9,001 | 0.0210 mg/L |
| SALINAS URBANO | SALINAS | 8,977 | 0.0184 mg/L |
| JAYUYA URBANO | JAYUYA | 7,746 | 0.0200 mg/L |
| GARROCHALES | ARECIBO | 7,465 | 0.0340 mg/L |
| GUAYANILLA URBANO | GUAYANILLA | 7,302 | 0.0086 mg/L |
| LAS MARIAS | LAS MARIAS | 7,193 | 0.0110 mg/L |
| GUANICA URBANO | GUANICA | 6,881 | 0.0105 mg/L |
| EXPERIMENTAL | JUANA DIAZ | 6,445 | 0.0067 mg/L |
| US ARMY, FORT BUCHANAN | GUAYNABO | 6,411 | 0.0152 mg/L |
| ALTURAS | VEGA BAJA | 6,325 | 0.0110 mg/L |
| COQUI | COQUI | 6,237 | 0.0060 mg/L |
| COROZAL URBANO | COROZAL | 6,162 | 0.0060 mg/L |
| ENSENADA | GUANICA | 6,130 | 0.0061 mg/L |
| CERRILLOS | PONCE | 5,658 | 0.0060 mg/L |
| MIRAFLORES | ARECIBO | 5,612 | 0.0069 mg/L |
| AIBONITO URBANO | AIBONITO | 5,580 | 0.0060 mg/L |
| CEDRO ARRIBA | NARANJITO | 5,444 | 0.0093 mg/L |
| ARUZ | JUANA DIAZ | 5,105 | 0.0091 mg/L |
| BO. NUEVO | BAYAMON | 4,961 | 0.0297 mg/L |
| CIALES URBANO | CIALES | 4,841 | 0.0078 mg/L |
| RONCADOR | UTUADO | 4,734 | 0.0079 mg/L |
| JAGUAS POZAS | CIALES | 4,699 | 0.0060 mg/L |
| COAMO URBANO | COAMO | 4,603 | 0.0076 mg/L |
| ALMIRANTE NORTE | VEGA BAJA | 4,285 | 0.0110 mg/L |
| JACAGUAS | JUANA DIAZ | 4,261 | 0.0060 mg/L |
| JAGUAL | JAGUAL | 4,021 | 0.0107 mg/L |
| PLATA I Y II | MOCA | 3,978 | 0.0066 mg/L |
| CIENEGA | CAMUY | 3,952 | 0.0072 mg/L |
| RAYO | RAYO PLATA | 3,853 | 0.0062 mg/L |
| PUGNADO | PUGNADO | 3,591 | 0.0170 mg/L |
| MARICAO | MARICAO | 3,455 | 0.0070 mg/L |
| DEPORTIVO | GUAYANILLA | 3,420 | 0.0063 mg/L |
| BAJADERO | ARECIBO | 3,402 | 0.0530 mg/L |
| SANTA ISABEL | UTUADO | 3,402 | 0.0093 mg/L |
| GARZAS | ADJUNTAS | 3,354 | 0.0052 mg/L |
| PIEDRAS BLANCAS | GUAYANILLA | 3,351 | 0.0086 mg/L |
| VILLALBA URBANO | PONCE | 3,073 | 0.0060 mg/L |
| GUARDIA NACIONAL DE PR, FORT ALLEN | JUANA DIAZ | 3,000 | 0.0097 mg/L |
| ADJUNTAS URBANO | ADJUNTAS | 2,870 | 0.0060 mg/L |
| ALMIRANTE SUR | ALMIRANTE | 2,830 | 0.0060 mg/L |
| FRONTON | CIALES | 2,830 | 0.0100 mg/L |
| REAL ANON | PONCE | 2,814 | 0.0060 mg/L |
| JACABOAS | BO JACABOA | 2,678 | 0.0206 mg/L |
| YAHUECAS | ADJUNTAS | 2,665 | 0.0060 mg/L |
| GUZMAN ARRIBA | RIO GRANDE | 2,662 | 0.0217 mg/L |
| BARRANCAS NUEVO | BARRANCAS | 2,520 | 0.0179 mg/L |
| CAIN ALTO | SAN GERMAN | 2,416 | 0.0070 mg/L |
| CIMARRONA | BARCELONETA | 2,411 | 0.0031 mg/L |
| AMELIA | JUANA DIAZ | 2,390 | 0.0068 mg/L |
| EL ROSARIO | SAN GERMAN | 2,374 | 0.0060 mg/L |
| MATRULLA | OROCOVIS | 2,280 | 0.0066 mg/L |
| ESPERANZA | ARECIBO | 2,259 | 0.0068 mg/L |