We found 12 public water systems that could serve the same population as Waterloo Waterworks (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Immanuel Evangelical Lutheran | Waterloo | 137 | 0 | 0 |
| St Johns Lutheran Church | Waterloo | 106 | 0 | 0 |
| Kroghville Oasis | Waterloo | 102 | 0 | 0 |
| Crave Brothers Farm Llc - Main System | Waterloo | 85 | 0 | 0 |
| Kuhl Campus | Waterloo | 58 | 0 | 0 |
| Dock | Waterloo | 55 | 0 | 0 |
| Mckay Nursery - Corporate Hdqtrs | Waterloo | 55 | 0 | 0 |
| Waterloo Gun Club | Waterloo | 50 | 0 | 0 |
| Mckay Nursery Camp 573 - Veith Dorms | Waterloo | 50 | 0 | 0 |
| Waterloo American Legion Post 233 | Waterloo | 35 | 0 | 0 |
| Crave Brothers Farm - House Well | Waterloo | 26 | 0 | 0 |
| Garman Nature Preserve | Waterloo | 25 | 0 | 0 |