We found 18 public water systems that could serve the same population as Porter Cave & Campground (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Orleans Water Works | Orleans | 2,142 | 2 | 11 |
| Sweet Owen County Junction | Orleans | 350 | 0 | 0 |
| Lieber State Recreation Area | Orleans | 200 | 0 | 0 |
| Paoli Community School Corp | Orleans | 100 | 0 | 0 |
| Shady Lake Campground | Orleans | 100 | 0 | 0 |
| Mill Grove Cafe | Orleans | 80 | 0 | 0 |
| Holts Hickory Hills Campground | Orleans | 80 | 0 | 0 |
| Coal City United Methodist Ch. | Orleans | 65 | 0 | 0 |
| Mt. Pleasant Baptist Church | Orleans | 60 | 0 | 0 |
| United Methodist Church | Orleans | 60 | 0 | 0 |
| Oak Ridge Camping | Orleans | 60 | 0 | 0 |
| Freedom Baptist Church | Orleans | 50 | 0 | 0 |
| Freedom Church Of The Nazarene | Orleans | 40 | 0 | 0 |
| Jefferson Baptist Church | Orleans | 35 | 0 | 0 |
| Owen County Home | Orleans | 30 | 0 | 0 |
| Sweet Owen Campground | Orleans | 25 | 0 | 0 |
| Owen Hills Assembly Of God Church | Orleans | 25 | 0 | 0 |
| Patoka Reservoir | Orleans | 25 | 0 | 0 |