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Lead in PR drinking water

216 community water systems tested

20.8%
of tested systems exceeded the lead action level
(45/216)

Lead is a neurotoxin with no known safe level. It usually enters water from old service lines and household plumbing rather than the source, so results vary system to system. The EPA acts when the 90th-percentile sample exceeds 0.015 mg/L.

Water systems

Lead value per system, LCR compliance samples. EPA action level — 0.015 mg/L at the 90th percentile. Systems that exceeded the lead action level are highlighted and listed first. “Not detected” means the contaminant was measured but not found.
SystemCityPopulationLead (mg/L)
ACUEDUCTO RURAL SAN JOSE NARANJITO 70 0.1610 mg/L
CIUDAD REAL 1,818 0.1198 mg/L
AIBONITO LA PLATA AIBONITO 16,354 0.0684 mg/L
ASOCIACION VECINOS SECTOR LA CASA CORP. YABUCOA 93 0.0680 mg/L
SISTEMA CRUZ LEON MAUNABO 30 0.0561 mg/L
ASOCIACION DE RESIDENTES VILLA VIGIA CAGUAS 43 0.0540 mg/L
BAJADERO ARECIBO 3,402 0.0530 mg/L
BARCELONA RIO GRANDE 260 0.0420 mg/L
ACUED. RURAL GUACIO SAN SEBASTIAN 340 0.0380 mg/L
ACUED. COM. TORTUGUERO, LA TIZA, INC. BARRANQUITAS 147 0.0370 mg/L
MANATI EAST MANATI 13,580 0.0355 mg/L
FAJARDO CEIBA FAJARDO 59,044 0.0348 mg/L
GARROCHALES ARECIBO 7,465 0.0340 mg/L
ACUED. RURAL PALMARITO CINTRON BARRANQUITAS 644 0.0300 mg/L
BO. NUEVO BAYAMON 4,961 0.0297 mg/L
COPAR COROZAL 1,120 0.0270 mg/L
ALTURAS DE MONTONES 4, INC. LAS PIEDRAS 223 0.0262 mg/L
OROCOVIS URBANO OROCOVIS 16,992 0.0250 mg/L
ARRAIJANES MOROVIS 198 0.0247 mg/L
MONASTERIO MADRE DE DIOS MANATI 26 0.0243 mg/L
JUNCOS - CEIBA SUR JUNCOS 36,835 0.0240 mg/L
MAMEY PATILLAS 255 0.0240 mg/L
CUBUY MAIZALES CUBUY 595 0.0235 mg/L
SAN LORENZO URBANO SAN LORENZO 26,470 0.0230 mg/L
GUZMAN ARRIBA RIO GRANDE 2,662 0.0217 mg/L
LUQUILLO URBANO LUQUILLO 9,001 0.0210 mg/L
ASOC. PRO ACUEDUCTO HATO CUCHILLA INC. SAN LORENZO 256 0.0210 mg/L
GUARAGUAO PONCE 935 0.0206 mg/L
COMITE COMUNAL DE CORCOVADA ANASCO 374 0.0206 mg/L
JACABOAS BO JACABOA 2,678 0.0206 mg/L
JAYUYA URBANO JAYUYA 7,746 0.0200 mg/L
CUYON AIBONITO 521 0.0198 mg/L
COMUNIDAD MANA, SECTOR LOZADA INC. COROZAL 240 0.0198 mg/L
LOS MIRANDA PELLEJAS OROCOVIS 720 0.0190 mg/L
RIO BLANCO,VIEQUES,CULEDRA LAS PIEDRAS 79,822 0.0187 mg/L
SALINAS URBANO SALINAS 8,977 0.0184 mg/L
BARRANCAS NUEVO BARRANCAS 2,520 0.0179 mg/L
PUGNADO PUGNADO 3,591 0.0170 mg/L
ACUED. RURAL DE TEJAS YABUCOA 1,709 0.0166 mg/L
BAXTER HEALTHCARE OF PR AIBONITO 981 0.0164 mg/L
COMERIO URBANO COMERIO 14,912 0.0160 mg/L
SALTOS CAGUANA UTUADO 300 0.0160 mg/L
CORPORACION SALTOS PELLEJA OROCOVIS 248 0.0160 mg/L
LOMAS VERDES (WATCH TOWER) GUAYNABO 130 0.0160 mg/L
US ARMY, FORT BUCHANAN GUAYNABO 6,411 0.0152 mg/L
LARES URBANO LARES 12,138 0.0150 mg/L
CUBUY CANOVANAS 1,687 0.0145 mg/L
LAS PIEDRAS HUMACAO HUMACAO 38,897 0.0145 mg/L
UTUADO URBANO UTUADO 13,070 0.0144 mg/L
CAYEY URBANO CAYEY 18,335 0.0143 mg/L
NEGROS COROZAL 14,939 0.0134 mg/L
BOQUERON BOQUERON 190 0.0132 mg/L
TIERRA NUEVA RABANOS MANATI 10,077 0.0130 mg/L
MAUNABO URBANO MAUNABO 9,380 0.0130 mg/L
ACUEDUCTO RURAL TABOR BARRANQUITAS 427 0.0130 mg/L
HOGARES SEGUROS PONCE 192 0.0130 mg/L
SANAMUERTO MOROVIS 1,503 0.0126 mg/L
VEGA BAJA URBANO VEGA BAJA 26,935 0.0123 mg/L
CIDRA URBANO CIDRA 34,424 0.0123 mg/L
ARENAS GUANICA 2,221 0.0122 mg/L
QUEBRADA CAMUY 9,377 0.0122 mg/L
EL YUNQUE RIO GRANDE 68,114 0.0116 mg/L
LAVADERO 1,265 0.0115 mg/L
MALPASO PENUELAS 924 0.0114 mg/L
RIO ARRIBA ARECIBO 734 0.0113 mg/L
GUAYAMA URBANO ARROYO 37,076 0.0110 mg/L
ALTURAS VEGA BAJA 6,325 0.0110 mg/L
ALMIRANTE NORTE VEGA BAJA 4,285 0.0110 mg/L
LAS MARIAS LAS MARIAS 7,193 0.0110 mg/L
JAGUAL JAGUAL 4,021 0.0107 mg/L
LA PICA JAYUYA 563 0.0105 mg/L
GUANICA URBANO GUANICA 6,881 0.0105 mg/L
SABANA GRANDE UTAUDO 1,762 0.0103 mg/L
PATILLAS URBANO PATILLAS 32,222 0.0102 mg/L
FRONTON CIALES 2,830 0.0100 mg/L
COMUNIDAD SANTANA COROZAL 300 0.0100 mg/L
MAMEYES ARRIBA JAYUYA 1,388 0.010 mg/L
GURABO URBANO GURABO 25,469 0.0099 mg/L
FLORIDA URBANO FLORIDA 10,405 0.0099 mg/L
GUARDIA NACIONAL DE PR, FORT ALLEN JUANA DIAZ 3,000 0.0097 mg/L
CAGUAS SUR CAGUAS 34,261 0.0096 mg/L
YAUCO YAUCO 35,639 0.0095 mg/L
COTO SUR MANATI 15,013 0.0094 mg/L
CEDRO ARRIBA NARANJITO 5,444 0.0093 mg/L
SANTA ISABEL UTUADO 3,402 0.0093 mg/L
ACUEDUCTO GARZAS JUNCOS ADJUNTAS 460 0.0093 mg/L
ARUZ JUANA DIAZ 5,105 0.0091 mg/L
GUAYABOTA GUAYABOTA 1,036 0.0090 mg/L
AGUADILLA AGUADA 124,782 0.0090 mg/L
AGUAS BUENAS URBANO AGUAS BUENAS 13,233 0.0090 mg/L
SAN SEBASTIAN SAN SEBASTIAN 25,752 0.0089 mg/L
MOROVIS RIO GRANDE 996 0.0088 mg/L
MAYAGUEZ ANASCO 152,342 0.0088 mg/L
SANTANA ARECIBO 19,657 0.0088 mg/L
BARCELONETA URBANO BARCELONETA 16,404 0.0087 mg/L
GUAYANILLA URBANO GUAYANILLA 7,302 0.0086 mg/L
PIEDRAS BLANCAS GUAYANILLA 3,351 0.0086 mg/L
SANTA ISABEL URBANO PONCE 39,925 0.0083 mg/L
QUEBRADILLAS URBANO QUEBRADILLAS 27,760 0.0083 mg/L
CONSEJO GUAYANILLA 1,092 0.0082 mg/L