We found 14 public water systems that could serve the same population as Mana I (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Negros | Corozal, Negros | 17,988 | 31 | 205 |
| Corozal Urbano | Corozal | 11,377 | 25 | 199 |
| Negros | Corozal | 1,550 | 0 | 0 |
| Copar | Corozal | 1,000 | 1 | 198 |
| Comunidad Palmarito Centro | Corozal | 744 | 0 | 273 |
| Mana Iii | Corozal | 500 | 0 | 292 |
| Com. Eladio Andreu | Corozal | 500 | 0 | 315 |
| Com. Sector La Riviera | Corozal | 260 | 0 | 65 |
| Magueyes | Corozal | 240 | 0 | 0 |
| Com. Santana | Corozal | 200 | 0 | 73 |
| Man Ii | Corozal | 140 | 0 | 0 |
| Comunidad Divisoria | Corozal | 43 | 0 | 0 |
| Jea Quality | Corozal | 25 | 0 | 0 |
| Com. Mana Sector Frank | Corozal | 0 | 0 | 0 |