We found 17 public water systems that could serve the same population as Lake Wi 2 (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Sauk City Waterworks | Sauk City | 3,424 | 0 | 2 |
| Snuffys Campsite | Sauk City | 310 | 0 | 0 |
| Blackhawk Family Restaurant | Sauk City | 215 | 0 | 3 |
| Green Acres Supper Club | Sauk City | 168 | 0 | 0 |
| Dorf Haus | Sauk City | 115 | 0 | 0 |
| Blackhawk Elementary School | Sauk City | 110 | 0 | 0 |
| Fuchs Inc | Sauk City | 110 | 0 | 0 |
| Bethlehem United Methodist | Sauk City | 105 | 0 | 0 |
| St Norberts Catholic Church | Sauk City | 102 | 0 | 0 |
| Roxbury Tavern | Sauk City | 70 | 0 | 0 |
| Schoepps Cottonwood Resort | Sauk City | 60 | 0 | 0 |
| Steves Arboretum Lounge | Sauk City | 57 | 0 | 0 |
| Papes Fair Valley Inn | Sauk City | 52 | 0 | 0 |
| Roxbury Valley Trap Club | Sauk City | 35 | 0 | 0 |
| Gansers Motel | Sauk City | 28 | 0 | 0 |
| Ganzers Resort Handpump | Sauk City | 26 | 0 | 0 |
| Camp Carlson | Sauk City | 24 | 0 | 0 |