We found 19 public water systems in Franklin county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Ottawa, City Of | Ottawa | 12,356 | 31 | 0 |
| Franklin Co Rwd 6 | Rantoul | 2,960 | 0 | 20 |
| Franklin Co Rwd 4 | Williamsburg | 2,281 | 0 | 8 |
| Wellsville, City Of | Wellsville | 1,813 | 0 | 12 |
| Franklin Co Rwd 5 | Ottawa | 855 | 0 | 6 |
| Pomona, City Of | Pomona | 799 | 0 | 2 |
| Franklin Co Rwd 1 | Ottawa | 665 | 0 | 0 |
| Richmond, City Of | Richmond | 452 | 0 | 76 |
| Franklin Co Rwd 2 | Ottawa | 400 | 0 | 2 |
| Williamsburg, City Of | Williamsburg | 384 | 0 | 8 |
| Princeton, City Of | Princeton | 262 | 0 | 16 |
| Lane, City Of | Lane | 222 | 0 | 11 |
| Anderson Rwd #3(richmond) | County of Franklin | 190 | 0 | 0 |
| Rantoul, City Of | Rantoul | 182 | 0 | 15 |
| Franklin Co Rwd 3 | Princeton | 85 | 0 | 0 |
| West 15th Mobile Home Court | County of Franklin | 35 | 0 | 0 |
| Stop 2 Shop Convenience Store | Williamsburg | 26 | 0 | 0 |
| Appanoose School | Pomona | 0 | 0 | 0 |
| Franklin Co Rwd 7 | Ottawa | 0 | 0 | 0 |