We found 45 public water systems that could serve the same population as Sign Post Estates (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Charles City School Complex | County of Charles City | 965 | 0 | 4 |
| Sherwood Forest Plantation | County of Charles City | 500 | 0 | 0 |
| Charles City West Elementary S | Charles City | 487 | 0 | 0 |
| Wayside Area | County of Charles City | 426 | 0 | 7 |
| Charles City Elementary School | Charles City | 417 | 0 | 0 |
| Mt Zion/rustic Area | County of Charles City | 230 | 0 | 51 |
| WOOTEN BROTHERS SNACK BAR | Charles City | 225 | 0 | 0 |
| Joes Place | Charles City | 225 | 0 | 0 |
| Holmes Texaco Station | Charles City | 225 | 0 | 0 |
| Phase Iv Supper Club | Charles City | 225 | 0 | 0 |
| Roxbury Industrial Park | County of Charles City | 223 | 0 | 11 |
| Charles City Primary School | Charles City | 209 | 0 | 0 |
| Litte Elam Baptist Church | Charles City | 200 | 0 | 0 |
| New Vine Baptist Church | Charles City | 150 | 0 | 0 |
| Evelynton Farms | County of Charles City | 150 | 0 | 14 |
| Old Elam Baptist Church | Charles City | 150 | 0 | 0 |
| Parrish Hill Baptist Church | Charles City | 150 | 0 | 0 |
| Camp Yakima | Charles City | 150 | 0 | 0 |
| Gilfield Baptist Church | Charles City | 125 | 0 | 0 |
| Camp Mericle | County of Charles City | 110 | 0 | 0 |
| Memorial United Methodist Chur | Charles City | 100 | 0 | 0 |
| Glendale Acres | County of Charles City | 87 | 0 | 0 |
| Coach House Tavern | County of Charles City | 85 | 0 | 0 |
| River`s Rest Motel | County of Charles City | 82 | 0 | 0 |
| Mt Zion Baptist Church | Charles City | 80 | 0 | 0 |
| Charles City Courthouse Complex | County of Charles City | 80 | 0 | 0 |
| Cedar Grove Baptist Church | Charles City | 75 | 0 | 0 |
| Union Baptist Church | Charles City | 75 | 0 | 0 |
| St John Baptist Church | Charles City | 70 | 0 | 0 |
| Tiny Little Children Day Care | County of Charles City | 63 | 0 | 0 |
| Ruthville Gymnasium Complex | County of Charles City | 55 | 0 | 0 |
| Ruthville Social Center | County of Charles City | 50 | 0 | 0 |
| Liberty Baptist Church | Charles City | 50 | 0 | 0 |
| Crewe's Place | County of Charles City | 49 | 0 | 0 |
| Kimages Preschool | Charles City | 43 | 0 | 0 |
| Vcu Rice Center | County of Charles City | 35 | 0 | 0 |
| Jerusalem Baptist Church | Charles City | 30 | 0 | 0 |
| Sterling Heights-sterling Hts | Charles City | 30 | 0 | 0 |
| Charles City Govt. & Sch. Board Adm. Bld | County of Charles City | 30 | 0 | 0 |
| Bethany Presbyterian Church | Charles City | 30 | 0 | 0 |
| Upper Shirley Vineyards | County of Charles City | 25 | 0 | 0 |
| Trevors Bend | County of Charles City | 25 | 0 | 0 |
| Charles City Village | County of Charles City | 23 | 0 | 0 |
| Harrison Lake Ntl Fish Hatchery (us F&w) | County of Charles City | 4 | 0 | 0 |
| River's Rest Marina And Snack Bar | County of Charles City | 2 | 0 | 0 |