We found 17 public water systems that could serve the same population as Jefferson Waterworks (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Wayside Tavern | Jefferson | 251 | 0 | 9 |
| Bark River Cmpgd - Main Bldg System | Jefferson | 250 | 0 | 1 |
| Rox Sports Bar | Jefferson | 201 | 0 | 0 |
| St Lawrence Cath Parish Center | Jefferson | 200 | 0 | 0 |
| Hwy 18 Brewing Co | Jefferson | 153 | 0 | 0 |
| Lous Riverview | Jefferson | 152 | 0 | 5 |
| Bark River Cmpgd - East Area | Jefferson | 122 | 0 | 0 |
| Jefferson Mid-state Auto Auction | Jefferson | 110 | 0 | 0 |
| Hwy 18 Outdoor Theatre | Jefferson | 105 | 0 | 0 |
| Edgewater Supper Club | Jefferson | 96 | 0 | 0 |
| Capns Corner | Jefferson | 80 | 0 | 0 |
| Jefferson Co Humane Society | Jefferson | 37 | 0 | 0 |
| Bark River Cmpgd - Hill Well | Jefferson | 27 | 0 | 0 |
| Bicen Park - New Small Dog Area - Well 1 | Jefferson | 25 | 0 | 0 |
| Bicen Park - New Large Dog Area - Well 2 | Jefferson | 25 | 0 | 0 |
| Bicen Park - Old Large Dog Area - Well 3 | Jefferson | 25 | 0 | 0 |
| Aztalan Museum | Jefferson | 2 | 0 | 0 |