We found 11 public water systems that could serve the same population as St Alphonsus Church (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Norwalk City | Norwalk | 16,827 | 31 | 8 |
| Valley Beach Park | Norwalk | 967 | 0 | 0 |
| Tsc Store #212,inc | Norwalk | 306 | 0 | 0 |
| Meadow Brook Estates Mhp | Norwalk | 98 | 0 | 0 |
| Le-mar Lake Park | Norwalk | 55 | 0 | 0 |
| Fabriweld Corporation | Norwalk | 45 | 0 | 0 |
| Presbyterian Church | Norwalk | 40 | 0 | 0 |
| Midtown Manor Mhp | Norwalk | 40 | 0 | 0 |
| Boose Amlc #3 | Norwalk | 30 | 0 | 0 |
| Boose A.m.l.c. #2 | Norwalk | 19 | 0 | 0 |
| Boose A.m.l.c. #1 | Norwalk | 17 | 0 | 0 |