We found 15 public water systems that could serve the same population as Judith Landing (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Fort Benton City Of | Fort Benton | 1,500 | 0 | 19 |
| Big Sandy Town Of | Big Sandy | 608 | 0 | 0 |
| Geraldine Town Of | Geraldine | 300 | 0 | 23 |
| Highwood County Water And Sewer District | Highwood | 280 | 0 | 11 |
| Loma County Water District | Loma | 200 | 0 | 80 |
| Carter Chouteau Co Water Dist | Carter | 150 | 0 | 93 |
| Hole In The Wall | County of Chouteau | 150 | 0 | 0 |
| Coal Banks Landing Blm | Lewistown | 120 | 0 | 0 |
| Hawarden Square Butte Water | Fort Benton | 80 | 0 | 0 |
| South Chouteau County Water Dist | Highwood | 80 | 0 | 0 |
| Twin Hills Colony Inc | Carter | 78 | 0 | 0 |
| S & J Food Center Big Sandy | County of Chouteau | 60 | 0 | 0 |
| North Geraldine Water System | Geraldine | 50 | 0 | 0 |
| Teton Bench Water Association | County of Chouteau | 30 | 0 | 0 |
| Square Butte Water Company | Fort Benton | 21 | 0 | 0 |