We found 19 public water systems that could serve the same population as First Presbyterian Church Of Ottawa (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Dousman Water Utility | Dousman | 1,716 | 0 | 25 |
| Tremain Mobile Home Park | Dousman | 475 | 0 | 4 |
| Wi Dnr Kmsfsu Pine Woods Shower Bldg | Dousman | 250 | 0 | 8 |
| Wi Dnr Kmsfsu Oakridge Demo Farm | Dousman | 202 | 0 | 17 |
| Lad Lake | Dousman | 180 | 0 | 17 |
| Reformation Ev Lutheran Church | Dousman | 150 | 0 | 6 |
| St Mary Episcopal Church | Dousman | 62 | 0 | 0 |
| Highview Ev Presbyterian Church | Dousman | 61 | 0 | 0 |
| Kettle Moraine Golf Club | Dousman | 55 | 0 | 0 |
| Ottawa Town Hall | Dousman | 33 | 0 | 0 |
| Ottawa Town Park | Dousman | 30 | 0 | 0 |
| National Weather Service | Dousman | 26 | 0 | 0 |
| Badger Raceway Park | Dousman | 25 | 0 | 0 |
| Wi Dnr Kmsfsu Pine Woods 2 | Dousman | 25 | 0 | 0 |
| Wi Dnr Kmsfsu Pine Woods 1 | Dousman | 25 | 0 | 0 |
| Wi Dnr Kmsfsu Pine Woods Waste Stn 3 Well | Dousman | 25 | 0 | 0 |
| Wi Dnr Kmsfsu Pine Woods 3rd Loop Well 6 | Dousman | 25 | 0 | 0 |
| Wi Dnr Kmsfsu Pine Woods Group Camp Well 7 | Dousman | 25 | 0 | 0 |
| Wi Dnr Kmsfsu Pine Woods 3rd Loop Well 5 | Dousman | 25 | 0 | 0 |