We found 85 public water systems that could serve the same population as Adjuntas Urbano (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Ponce Urbano | Penuelas, Ponce | 153,092 | 255 | 546 |
| Santa Isabel Urbano | Ponce, Santa Isabel | 41,734 | 47 | 237 |
| Orocovis Urbano | Orocovis, Ponce | 19,334 | 93 | 134 |
| Cotto Laurel | Ponce | 14,365 | 20 | 223 |
| Guayanilla Urbano | Guayanilla, Ponce | 9,597 | 38 | 132 |
| Pasp Seco | Ponce | 9,496 | 0 | 0 |
| Cerrillos | Ponce | 8,203 | 0 | 65 |
| U.c.p.r | Ponce | 7,416 | 0 | 196 |
| Ensenada | Guanica, Ponce | 7,019 | 0 | 47 |
| Adjuntas Urbano | Adjuntas, Ponce | 5,245 | 0 | 93 |
| YAHUECAS | Adjuntas, Ponce | 3,834 | 0 | 0 |
| Villalba Urbano | Ponce, Villalba | 3,698 | 20 | 99 |
| Real Anon | Ponce | 3,623 | 26 | 21 |
| Real Anon | Ponce | 3,174 | 0 | 0 |
| Hayales | Orocovis, Ponce | 2,887 | 0 | 0 |
| YAHUECAS | Adjuntas | 2,840 | 0 | 7 |
| Garzas | Adjuntas | 2,782 | 0 | 87 |
| Quedrada | Guayanilla, Ponce | 2,701 | 0 | 0 |
| Calabaza | Coamo, Ponce | 2,281 | 0 | 0 |
| Ollas | Ponce, Santa Isabel | 2,095 | 0 | 0 |
| Guilarte | Adjuntas | 2,090 | 0 | 22 |
| Jauca | Ponce, Santa Isabel | 2,041 | 0 | 0 |
| Villa Paraiso | Ponce | 1,719 | 0 | 0 |
| Pulguillas | Coamo, Ponce | 1,692 | 0 | 0 |
| Guaraguao | Ponce | 1,680 | 0 | 61 |
| Esmeralda | Ponce, Santa Isabel | 1,462 | 0 | 0 |
| Matrulla | Orocovis, Ponce | 1,400 | 0 | 0 |
| Hospital De Damas | Ponce | 1,306 | 0 | 213 |
| Playita Cortada | Ponce, Santa Isabel | 1,302 | 0 | 0 |
| Julita | Ponce, Villalba | 1,111 | 0 | 0 |
| Ussc Puerto Rico, Inc | Ponce | 1,100 | 0 | 0 |
| Capaez | Adjuntas, Ponce | 1,093 | 0 | 0 |
| Tanama | Adjuntas, Ponce | 1,088 | 0 | 0 |
| La Yuca | Ponce | 927 | 0 | 0 |
| Guilarte | Adjuntas, Ponce | 922 | 0 | 0 |
| Saltillo Vaca | Adjuntas, Ponce | 815 | 0 | 36 |
| Anon Carmelita | Ponce | 800 | 0 | 353 |
| Saltillo | Adjuntas, Ponce | 770 | 0 | 0 |
| Vegas Arriba | Adjuntas, Ponce | 743 | 0 | 0 |
| Asoc. Civica Pastillo Tibes | Ponce | 652 | 0 | 104 |
| Cespedes | Ponce, Villalba | 598 | 0 | 0 |
| Bauta | Orocovis, Ponce | 553 | 0 | 0 |
| Hogares Seguros | Ponce | 544 | 0 | 0 |
| Apeadero | Ponce, Villalba | 533 | 0 | 57 |
| La Yuca | Ponce | 500 | 0 | 0 |
| Asociacion Civica Cultural Y Socioeconom | Ponce | 500 | 0 | 394 |
| Juan Gonzalez | Adjuntas | 500 | 0 | 94 |
| Collado | Ponce | 482 | 0 | 0 |
| Garzas Juncos | Adjuntas | 460 | 0 | 126 |
| Caminos Del Sur | Ponce | 423 | 0 | 0 |
| Tibes | Ponce | 418 | 0 | 42 |
| Semil | Ponce | 404 | 0 | 0 |
| Iglesia Cristiana De La Familia | Ponce | 400 | 0 | 0 |
| Escuela Industrial De Ninas | Ponce | 350 | 0 | 0 |
| Hogares Seguros | Ponce | 330 | 0 | 39 |
| Academia Ramos Morales | Ponce | 323 | 0 | 12 |
| Acd. Comunal Rio Chiquito | Ponce | 320 | 0 | 25 |
| Tibes | Ponce | 319 | 0 | 0 |
| Bo. Monte Llanos | Ponce | 316 | 0 | 119 |
| Servicio De Agua | Ponce | 310 | 0 | 370 |
| Malpaso | Ponce | 283 | 0 | 0 |
| Pellejas | Adjuntas | 260 | 0 | 243 |
| Estancias Del Madrigal | Ponce | 258 | 0 | 6 |
| Essilor Industries | Ponce | 250 | 0 | 0 |
| Sector Los Hernandez | Adjuntas | 240 | 0 | 97 |
| Guilarte Helechales | Adjuntas | 219 | 0 | 161 |
| Asociacion Acueducto Reventon | Adjuntas | 212 | 0 | 260 |
| La Mocha | Ponce | 206 | 0 | 37 |
| Ponce Darlington Elderly | Ponce | 183 | 0 | 93 |
| Limani | Adjuntas | 150 | 0 | 234 |
| El Tesoro | Ponce | 135 | 0 | 265 |
| Las Cruces | Adjuntas | 130 | 0 | 226 |
| Comunidad Palomo | Adjuntas | 120 | 0 | 0 |
| Las Mesas | Ponce | 120 | 0 | 0 |
| Acueducto Familia Torres | Ponce | 80 | 0 | 0 |
| El Yumuri | Ponce | 80 | 0 | 0 |
| Escuela Residencial Agricola | Adjuntas | 80 | 0 | 0 |
| Comunidad Cesario | Ponce | 52 | 0 | 0 |
| Hacienda Burenes | Ponce | 50 | 0 | 0 |
| YAYALES | Adjuntas | 40 | 0 | 0 |
| Hogares Seguros | Ponce | 40 | 0 | 0 |
| La Carmelita | Ponce | 38 | 0 | 0 |
| Los Crotos | Ponce | 38 | 0 | 0 |
| Tanama Comunal | Adjuntas | 35 | 0 | 0 |
| Crucero | Adjuntas | 29 | 0 | 0 |