We found 41 public water systems that could serve the same population as Warco Manufacturing Co (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Warrenton | Warrenton | 7,880 | 0 | 18 |
| Montgomery Co Pwsd 1 | Counties of Montgomery, Warren | 4,500 | 0 | 17 |
| WRIGHT CITY | Wright City | 3,500 | 30 | 16 |
| Mo American - Warren Co Water & Sewer Co | Counties of Lincoln, Warren | 1,200 | 0 | 17 |
| Marthasville | Marthasville | 1,200 | 0 | 16 |
| St Charles Co Pwsd 2 Warren | County of Warren | 1,192 | 0 | 3 |
| Lake Sherwood Subd | County of Warren | 1,100 | 0 | 8 |
| Innsbrook | County of Warren | 810 | 0 | 3 |
| Truesdale | Truesdale | 732 | 0 | 4 |
| St Charles Co Pwsd 2 North Oak Dr | County of Warren | 580 | 0 | 0 |
| St Charles Co Pwsd 2 Dutzow | County of Warren | 425 | 0 | 1 |
| Dogwood Lake Campground Intern | County of Warren | 200 | 0 | 13 |
| Montgomery Co Pwsd #1 Woodri | County of Warren | 160 | 0 | 0 |
| Gateway Refrigerated Warehouses | County of Warren | 150 | 0 | 0 |
| Maple Ridge Mhp | County of Warren | 140 | 0 | 7 |
| Montgomery Co Pwsd #1 Owlcre | County of Warren | 130 | 0 | 0 |
| Park Place Estates | County of Warren | 122 | 0 | 0 |
| Montgomery Co Pwsd #1- Oakgro | County of Warren | 110 | 0 | 0 |
| Flying J Travel Plaza | County of Warren | 100 | 0 | 0 |
| Truesdale Packaging | County of Warren | 100 | 0 | 0 |
| Pleasant Oak Mhp | County of Warren | 100 | 0 | 0 |
| Glenbrook Estates | County of Warren | 100 | 0 | 0 |
| Ponderosa Tranql Oaks | Ponderosa Tranq | 100 | 0 | 0 |
| Rite Paper | County of Warren | 100 | 0 | 0 |
| Cedar Grove Village Subd | County of Warren | 90 | 0 | 0 |
| Emmaus Homes Inc | County of Warren | 90 | 0 | 0 |
| Child Evangelism Fellowship | County of Warren | 80 | 0 | 0 |
| Cedar Lake Cellars | County of Warren | 50 | 0 | 0 |
| Holstein Elem School | Holstein Elem | 50 | 0 | 0 |
| St Ignatius Loyola School | County of Warren | 50 | 0 | 0 |
| St Charles Co Pwsd 2 Hickory Trails | County of Warren | 50 | 0 | 0 |
| High Ridge Mobile Home Park | High Ridge Mhp | 45 | 0 | 0 |
| Valley Lake Estates | County of Warren | 40 | 0 | 0 |
| Prairie Meadows Estates | County of Warren | 34 | 0 | 0 |
| Shady Oaks | Shady Oaks | 31 | 0 | 0 |
| Oakview Estates Subd | County of Warren | 30 | 0 | 0 |
| Warrenton Golf Course | Warrenton Golf | 26 | 0 | 0 |
| Carl's Conoco Garage | Carls Conoco | 25 | 0 | 0 |
| Innsbrook Subd | Innsbrook Subd | 25 | 0 | 0 |
| Washington Airport | County of Warren | 25 | 0 | 0 |
| Lake Creek Farm Winery | Marthasville | 25 | 0 | 0 |