U.S. water systems

Puerto Rico Water Systems

Puerto Rico

819 community water systems on record — 402 active, 417 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Puerto Rico’s official records. Always confirm current status with Puerto Rico before making decisions based on this information.

Counties in Puerto Rico

All community water systems in Puerto Rico

System name	Mailing city	Population served	Status
METROPOLITANO	—	1,084,637	Active
ENRIQUE ORTEGA LA PLATA-METROP	TOA ALTA	363,936	Inactive
MAYAGUEZ	MAYAGUEZ	152,342	Active
AGUADILLA	AGUADILLA	124,782	Active
PONCE URBANO	—	113,972	Active
RIO BLANCO,VIEQUES,CULEDRA	NAGUABO	79,822	Active
EL YUNQUE	RIO GRANDE	68,114	Active
ARECIBO URBANO	—	61,626	Active
FAJARDO CEIBA	FAJARDO	59,044	Active
HUMACAO-LAS PIEDRAS	HUMACAO	50,452	Inactive
ISABELA	SANTURCE	49,937	Active
CAGUAS NORTE	CAGUAS	47,352	Active
LAJAS	LAJAS	47,350	Active
SANTA ISABEL URBANO	SANTA ISABEL	39,925	Active
FARALLON	—	39,388	Active
LAS PIEDRAS HUMACAO	HUMACAO	38,897	Active
DORADO URBANO	—	37,244	Active
GUAYAMA URBANO	GUAYAMA	37,076	Active
JUNCOS - CEIBA SUR	JUNCOS	36,835	Active
YAUCO	YAUCO	35,639	Active
VEGA ALTA URBANO	VEGA ALTA	34,559	Inactive
CIDRA URBANO	CIDRA	34,424	Active
CAGUAS SUR	CAGUAS	34,261	Active
REGIONAL VILLALBA TOA VACA	SANTURCE	34,259	Active
PATILLAS URBANO	PATILLAS	32,222	Active
MAGUAYO	—	30,235	Active
LA VIRGENCITA	TOA ALTA	30,035	Inactive
HATILLO-CAMUY	—	28,935	Active
JUANA DIAZ URBANO	SANTURCE	28,733	Inactive
QUEBRADILLAS URBANO	QUEBRADILLAS	27,760	Active
VEGA BAJA URBANO	VEGA BAJA	26,935	Active
SAN LORENZO URBANO	SAN LORENZO	26,470	Active
SABANA GRANDE	UTUADO	25,832	Active
SAN SEBASTIAN	SAN SEBASTIAN	25,752	Active
SAN GERMAN	SAN GERMAN	25,576	Inactive
GURABO URBANO	GURABO	25,469	Active
ARROYO	ARROYO	21,524	Inactive
MOROVIS URBANO	MOROVIS	20,927	Active
CABO ROJO	CABO ROJO	20,356	Active
SANTANA	ARECIBO	19,657	Active
CAYEY URBANO	CAYEY	18,335	Active
PENUELAS	PENUELAS	17,326	Active
OROCOVIS URBANO	OROCOVIS	16,992	Active
LARES ESPINO	SANTURCE	16,896	Active
NARANJITO URBANO	NARANJITO	16,820	Inactive
BARCELONETA URBANO	BARCELONETA	16,404	Active
AIBONITO LA PLATA	AIBONITO	16,354	Active
SABANA HOYOS	—	15,948	Active
LOS CANOS	GUANICA	15,937	Inactive
MANATI URBANO	MANATI	15,244	Inactive
COTO SUR	SANTURCE	15,013	Active
NEGROS	COROZAL	14,939	Active
COMERIO URBANO	COMERIO	14,912	Active
YABUCOA URBANO	—	14,728	Active
MANATI EAST	MANATI	13,580	Active
AGUAS BUENAS URBANO	AGUAS BUENAS	13,233	Active
UTUADO URBANO	UTUADO	13,070	Active
COTTO LAUREL	—	12,979	Active
LARES URBANO	LARES	12,138	Active
PONCE DE LEON	MAYAGUEZ	11,139	Active
LAS BOCAS	SANTURCE	11,022	Active
HORMIGUERO	HORMIGUERO	10,587	Active
FLORIDA URBANO	FLORIDA	10,405	Active
LIMONES	YABUCOA	10,308	Inactive
TIERRA NUEVA RABANOS	MANATI	10,077	Active
LAGO GUAJATACA	ISABELA	10,018	Active
COCOS	—	9,930	Active
GUAYANES	PENUELAS	9,549	Inactive
PASP SECO	SANTA ISABEL	9,496	Inactive
MAUNABO URBANO	MAUNABO	9,380	Active
QUEBRADA	HATILLO	9,377	Active
ACEITUNAS	SANTURCE	9,030	Active
LUQUILLO URBANO	LUQUILLO	9,001	Active
SALINAS URBANO	SALINAS	8,977	Active
MARINI	MAYAGUEZ	8,308	Inactive
JAYUYA URBANO	JAYUYA	7,746	Active
GUAVATE	CAYEY	7,556	Inactive
GARROCHALES	ARECIBO	7,465	Active
PAJUIL-PALOMA	HATILLO	7,380	Inactive
GUAYANILLA URBANO	GUAYANILLA	7,302	Active
LAS MARIAS	LAS MARIAS	7,193	Active
ENSENADA	GUANICA	7,180	Inactive
GUANICA URBANO	GUANICA	6,881	Active
EXPERIMENTAL	JUANA DIAZ	6,445	Active
US ARMY, FORT BUCHANAN	GUAYNABO	6,411	Active
ALTURAS	VEGA BAJA	6,325	Active
COQUI	SALINAS	6,237	Active
COROZAL URBANO	COROZAL	6,162	Active
ENSENADA	GUANICA	6,130	Active
DUEY	YAUCO	5,708	Inactive
CERRILLOS	PONCE	5,658	Active
MIRAFLORES	ARECIBO	5,612	Active
ZANJAS	CAMUY	5,612	Inactive
AIBONITO URBANO	SANTURCE	5,580	Active
HORMIGAS I	CAGUAS	5,488	Inactive
CEDRO ARRIBA	NARANJITO	5,444	Active
LLANADAS	MARICAO	5,404	Inactive
PITAHAYA	ARROYO	5,396	Inactive
CEDRITO	COMERIO	5,388	Inactive
LAVADEROS	HORMIGUEROS	5,180	Inactive
ARUZ	JUANA DIAZ	5,105	Active
PRASA	AIBONITO-B	5,000	Inactive
BO. NUEVO	BAYAMON	4,961	Active
CIALES URBANO	CIALES	4,841	Active
LA MAQUINA	SABANA GRANDE	4,803	Inactive
ROCHA	MOCA	4,760	Inactive
RONCADOR	UTUADO	4,734	Active
JAGUAS POZAS	CIALES	4,699	Active
COAMO URBANO	COAMO	4,603	Active
MARICAO	VEGA ALTA	4,572	Inactive
QUEBRADA ARENAS	—	4,472	Active
DAJAOS	BAYAM N	4,464	Inactive
VILA	BACELONETA	4,340	Inactive
PUENTE JOBOS	GUAYAMA	4,296	Inactive
ALMIRANTE NORTE	VEGA BAJA	4,285	Active
JACAGUAS	JUANA DIAZ	4,261	Active
ANASCO	ANASCO	4,188	Inactive
ROSSY	CIALES	4,108	Inactive
JOBALES	ARECIBO	4,096	Inactive
JAGUAL	SAN LORENZO	4,021	Active
PLATA I Y II	MOCA	3,978	Active
CIENEGA	SANTURCE	3,952	Active
TIBURONES ARTESIANO.	BARCELONETA	3,936	Inactive
RAYO	SABANA GRANDE	3,853	Active
YAHUECAS	ADJUNTAS	3,834	Inactive
LOS POLLOS	PATILLAS	3,812	Inactive
SOBRINO	VEGA BAJA	3,812	Inactive
PUGNADO	VEGA BAJA	3,591	Active
LA GRUA	—	3,578	Active
BARRANQUITAS URBANO	—	3,538	Active
MARICAO	MARICAO	3,455	Active
DEPORTIVO	GUAYANILLA	3,420	Active
BAJADERO	ARECIBO	3,402	Active
SANTA ISABEL	UTUADO	3,402	Active
CIMARRONA SABANA PIKE	BARCELONETA	3,360	Inactive
GARZAS	ADJUNTAS	3,354	Active
PIEDRAS BLANCAS	GUAYANILLA	3,351	Active
PERCHAS	SAN SEBASTIAN	3,284	Inactive
FRANQUEZ	MANATI	3,252	Inactive
PALOS BLANCOS	COROZAL	3,230	Inactive
PAJONAL	BARCELONETA	3,204	Inactive
ALTURAS	VEGABAJA	3,200	Inactive
REAL ANON	PONCE	3,174	Inactive
RIO ARRIBA SALIENTE	MANATI	3,100	Inactive
VILLALBA URBANO	VILLALBA	3,073	Active
MACANA	PE UELAS	3,069	Inactive
CULEBRA	CULEBRAS	3,020	Inactive
GUARDIA NACIONAL DE PR, FORT ALLEN	JUANA DIAZ	3,000	Active
HAYALES	OROCOVIS	2,887	Inactive
ADJUNTAS URBANO	ADJUNTAS	2,870	Active
PUENTES I Y II	RINCON	2,840	Inactive
ALMIRANTE SUR	VEGA BAJA	2,830	Active
FRONTON	CIALES	2,830	Active
NARANJO	COMERIO	2,822	Inactive
REAL ANON	PONCE	2,814	Active
QUIYONES	HORMIGUEROS	2,808	Inactive
QUEDRADA	GUAYANILLA	2,701	Inactive
JACABOAS	PATILLAS	2,678	Active
YAHUECAS	SANTURCE	2,665	Active
GUZMAN ARRIBA	SANTURCE	2,662	Active
ESPINO	—	2,643	Active
SOLLER	CAMUY	2,586	Inactive
SUSUA	SABANA GRANDE	2,536	Inactive
MARUENOS	PONCE	2,535	Inactive
BARRANCAS NUEVO	BARRANQUITAS	2,520	Active
VISTA DEL RIO	SANTURCE	2,515	Inactive
ANGELES	UTUADO	2,500	Inactive
CASTANER	LARES	2,500	Inactive
ESTACION M	GUANICA	2,500	Inactive
LAS CAROLINAS	CAGUAS	2,460	Inactive
CAIN ALTO	SAN GERMAN	2,416	Active
CIMARRONA	GUAYAMA	2,411	Active
AMELIA	JUANA DIAZ	2,390	Active
ANONES	NARANJITO	2,376	Inactive
EL ROSARIO	SAN GERMAN	2,374	Active
SABANA HOYOS	—	2,360	Active
CALABAZA	COAMO	2,281	Inactive
MATRULLA	OROCOVIS	2,280	Active
ESPERANZA	ARECIBO	2,259	Active
BUENA VISTA	LAS MARIAS	2,251	Inactive
DUEY	—	2,248	Active
ARENAS	GUANICA	2,221	Active
LAS HORMIGAS	CAGUAS	2,200	Inactive
OLLAS	SANTA ISABEL	2,095	Inactive
CULEBRAS	CAYEY	2,069	Active
JAUCA	SANTA ISABEL	2,041	Inactive
LA SIERRITA	VILLALBA	2,039	Inactive
COLLORES	JUANA DƒAZ	2,036	Inactive
GUAYANES I	YABUCOA	2,006	Inactive
CIMARRONA	GUAYAMA	2,005	Active
ANTON RUIZ	BO. ANTON RUIZ, HUMACAO	2,000	Inactive
PASTO SECO	LAS PIEDRAS	1,948	Inactive
PENA POBRE	NAGUABO	1,884	Inactive
CAMPO ALEGRE	HATILLO	1,865	Inactive
CIUDAD REAL	VEGA BAJA	1,818	Active
ANONES CENTRO	NARANJITO	1,800	Active
PALMA ROYALE	SAN JUAN	1,776	Inactive
ACUED. COM. BO. QUEBRADILLAS	BARRANQUITAS	1,762	Active
SABANA GRANDE	UTUADO	1,762	Active
MONTE BELLO	MANATI	1,746	Active

Showing the 200 largest of 819 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.