We found 22 public water systems that could serve the same population as Macana (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Ponce Urbano | Penuelas, Ponce | 153,092 | 255 | 546 |
| Penuelas | Penuelas | 21,772 | 54 | 141 |
| Guayanes | Penuelas | 9,549 | 0 | 0 |
| Coroco | County of Penuelas Municipio | 1,500 | 0 | 0 |
| Jagua Ceiba | Penuelas | 1,085 | 0 | 33 |
| Malpaso | Penuelas | 1,029 | 0 | 40 |
| Corea Metralla | Penuelas | 1,000 | 0 | 394 |
| Jagua Ceiba | Penuelas | 936 | 0 | 0 |
| Union Carbide | County of Penuelas Municipio | 900 | 0 | 0 |
| Carlos Santiago | County of Penuelas Municipio | 502 | 0 | 0 |
| Maltillo | Penuelas | 400 | 0 | 390 |
| Rucio | Penuelas | 328 | 0 | 0 |
| Corporacion Pro Salud Y Mejora | Penuelas | 320 | 0 | 356 |
| Rucio | Penuelas | 308 | 0 | 84 |
| Malpaso | Ponce | 283 | 0 | 0 |
| La Gelpa | Penuelas | 252 | 0 | 0 |
| Pandura | Penuelas | 240 | 0 | 375 |
| Figueroa | County of Penuelas Municipio | 160 | 0 | 0 |
| Corozal | Penuelas | 130 | 0 | 285 |
| Ecoelectrica, L. P. | Penuelas | 100 | 0 | 0 |
| Comite Residente Sector Belleza | Penuelas | 58 | 0 | 0 |
| Soplaera | Penuelas | 39 | 0 | 0 |