We found 13 public water systems that could serve the same population as Ernies Rock Dam Saloon (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Clark Co Rock Dam Park Campground 1 | Willard | 50 | 0 | 0 |
| Dales North Mound Tavern | Willard | 35 | 0 | 0 |
| Clark Co Rock Dam Park Campground 2 | Willard | 25 | 0 | 0 |
| Lakeside | Willard | 25 | 0 | 0 |
| Freddies Pub | Willard | 25 | 0 | 0 |
| Clark Co Rock Dam Park Beach | Willard | 25 | 0 | 0 |
| Clark Co Rock Dam West Atv Area | Willard | 25 | 0 | 0 |
| Christine Center-office | Willard | 25 | 0 | 0 |
| Christine Center-hermitages | Willard | 25 | 0 | 0 |
| Holy Family Church | Willard | 25 | 0 | 0 |
| Sunset Pines Resort | Willard | 25 | 0 | 0 |
| Willard Settlers Park | Willard | 25 | 0 | 0 |
| Arlenes Inn | Willard | 25 | 0 | 0 |