We found 11 public water systems that could serve the same population as Billings Guests (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Northfield Water Dept | Northfield | 5,145 | 0 | 6 |
| Northfield Country Club | Northfield | 117 | 0 | 0 |
| Pub At Fiddlers Green (the) | Northfield | 103 | 0 | 0 |
| Wihakowi | Northfield | 70 | 0 | 0 |
| Tucker Mobile Home Park | Northfield | 60 | 0 | 0 |
| Common Cafe, The | Northfield | 50 | 0 | 0 |
| Guest House | Northfield | 50 | 0 | 0 |
| Mackenzie Tourist Home | Northfield | 50 | 0 | 0 |
| Nantanna Pub Inc. | Northfield | 50 | 0 | 0 |
| Papa Johns | Northfield | 50 | 0 | 0 |
| Camp Wihakowi | Northfield | 25 | 0 | 0 |