We found 100 public water systems that could serve the same population as St Pauls Elementary School (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mo American St Louis Co St Charles Co | Counties of St. Charles, St. Louis | 1,100,000 | 215 | 3 |
| St Charles Co Pwsd 2 | O Fallon | 100,587 | 68 | 2 |
| Mo American - St Charles | St. Charles | 73,000 | 0 | 0 |
| St Charles | St. Charles | 67,453 | 52 | 3 |
| St Peters | St. Peters | 56,971 | 46 | 0 |
| Wentzville | Wentzville | 31,000 | 42 | 5 |
| Ofallon | O Fallon | 27,000 | 20 | 1 |
| St Charles Co. Pwsd #2- Nor | County of St. Charles | 13,400 | 0 | 0 |
| St Charles Co Pwsd #1 | County of St. Charles | 1,850 | 0 | 0 |
| Orchard Farm Schools | County of St. Charles | 1,600 | 0 | 0 |
| Pinewoods Park Cmpgrd | County of St. Charles | 1,000 | 0 | 0 |
| St Charles Co Pwsd 2 Augusta | County of St. Charles | 1,000 | 0 | 2 |
| Ta St Louis West 175 | County of St. Charles | 999 | 0 | 0 |
| Rolling Meadows Mhp | Rolling Meadows | 900 | 0 | 0 |
| Sunedison Semiconductor | County of St. Charles | 800 | 0 | 7 |
| Lake Charles Hills Subd | County of St. Charles | 800 | 0 | 0 |
| Missouri Cities-warson Hills | County of St. Charles | 430 | 0 | 0 |
| Fieldcrest Subd | Fieldcrest Subd | 420 | 0 | 0 |
| Tee Kay Mobile Manor | Tee Kay Mobile | 400 | 0 | 0 |
| River Edge Gasmart | County of St. Charles | 400 | 0 | 0 |
| St Charles Pwsd 2 Foristell | Foristell | 390 | 0 | 7 |
| Ecm Water & Sewer Authority - Flint Hill | Flint Hill | 379 | 0 | 5 |
| Castlegate Estates Mhp | Gastlegate Mhp | 360 | 0 | 0 |
| Portage Des Sioux | Portagedessioux | 345 | 0 | 55 |
| Indian Camp Creek Park | County of St. Charles | 300 | 0 | 0 |
| Highway 79 Zephyr Serv | County of St. Charles | 300 | 0 | 0 |
| Gasmart Hyway 67 Mobil | County of St. Charles | 300 | 0 | 0 |
| Ameren Ue- Sioux Plant | County of St. Charles | 250 | 0 | 0 |
| Missouri Cities-belleau Lake | Mo Cities Lake | 220 | 0 | 0 |
| Mo American - Jaxson | Foristell | 204 | 0 | 2 |
| St Paul Knights Of Columbus Hall | County of St. Charles | 200 | 0 | 44 |
| Timberlaine Trails Subd | Timberlaine Sub | 200 | 0 | 0 |
| King Arthurs Court | County of St. Charles | 165 | 0 | 0 |
| Wine Country Gardens | County of St. Charles | 150 | 0 | 0 |
| Foristell Truck Stop | Truck Stop | 150 | 0 | 0 |
| St Marys Institute | St Marys Instit | 150 | 0 | 0 |
| National Cart Company | County of St. Charles | 150 | 0 | 3 |
| Vanguard Mhp | Vanguard Mhp | 150 | 0 | 0 |
| Prairie View Acres Subd | County of St. Charles | 135 | 0 | 26 |
| St Charles Co Pwsd 2 - Sumac Ridge | County of St. Charles | 126 | 0 | 3 |
| St Paul | County of St. Charles | 125 | 0 | 1 |
| West Alton Elementary School | County of St. Charles | 106 | 0 | 0 |
| Montelle Winery | County of St. Charles | 100 | 0 | 0 |
| Tara Oaks Manor Association | County of St. Charles | 100 | 0 | 0 |
| Cherokee Lakes Camp | County of St. Charles | 100 | 0 | 0 |
| Cherokee Lakes/el Mau Subd | Cherokee Estate | 100 | 0 | 0 |
| Wildschuetz Brothers Farm | County of St. Charles | 100 | 0 | 0 |
| Towne Park | Foristell | 100 | 0 | 0 |
| Wentzville Vfw Post #5327 | County of St. Charles | 100 | 0 | 0 |
| Weldon Spring Heights Village | Weldon Spr Hght | 100 | 0 | 0 |
| Martell Ridge | Martell Ridge | 97 | 0 | 0 |
| Cheshire Subd | Cheshire Subd | 95 | 0 | 0 |
| Big Country Acres Subdivision | County of St. Charles | 90 | 0 | 0 |
| West Alton Bar And Grill | County of St. Charles | 80 | 0 | 0 |
| Belleau Gardens Trailer Court | Belleau Gardens | 75 | 0 | 0 |
| Forest Hill Subd | Forest Hill Sub | 65 | 0 | 0 |
| New Howell Mhp | New Howell Mhp | 60 | 0 | 0 |
| Twin Island Estates Mhp | Twin Island Est | 50 | 0 | 0 |
| 7 Acres Motel & Apt's | County of St. Charles | 50 | 0 | 0 |
| Broemmelsiek Park | County of St. Charles | 50 | 0 | 0 |
| North Shore Marina | County of St. Charles | 50 | 0 | 0 |
| YACHT CLUB OF ST LOUIS | County of St. Charles | 50 | 0 | 0 |
| Boone Valley Golf Club | County of St. Charles | 50 | 0 | 0 |
| Mid America Raceways | County of St. Charles | 50 | 0 | 0 |
| Royal Oaks Subdivision | Royal Oaks Subd | 40 | 0 | 0 |
| Missouri Concrete Produc | Mo Concrete Pro | 40 | 0 | 0 |
| E J Manufacturing Co Inc | Ej Manufacturin | 40 | 0 | 0 |
| Sunshine Home Care | County of St. Charles | 36 | 0 | 0 |
| Timbercrest Subd | Timbercrest Sub | 36 | 0 | 0 |
| Wimer Boarding Home | Wimer Broad Hom | 35 | 0 | 0 |
| Trinity Lutheran | County of St. Charles | 35 | 0 | 0 |
| Duro-flex Products Co | County of St. Charles | 30 | 0 | 0 |
| Rivers Project Office | County of St. Charles | 30 | 0 | 0 |
| Country Estates | County of St. Charles | 30 | 0 | 0 |
| Cindy Motel | Cindy Motel | 30 | 0 | 0 |
| Dog Prairie Tavern Llc | County of St. Charles | 30 | 0 | 0 |
| St Joseph Parish | County of St. Charles | 25 | 0 | 0 |
| Thies Farm | St. Charles | 25 | 0 | 0 |
| Laclede Mhp | County of St. Charles | 25 | 0 | 0 |
| Lindenwood Univ/ Daniel Boone Home | County of St. Charles | 25 | 0 | 0 |
| O'fallon Motel | County of St. Charles | 25 | 0 | 0 |
| St Charles County Water Dept | County of St. Charles | 25 | 0 | 0 |
| Twin Island Lake | Twin Island Lak | 25 | 0 | 0 |
| St Charles-mo River Plt | County of St. Charles | 25 | 0 | 0 |
| St Charles-elm Point Plant | St Charles | 25 | 0 | 0 |
| Emmanuel United Church Of Christ | County of St. Charles | 25 | 0 | 0 |
| Safari Camp St Louis West | Safari Camp | 25 | 0 | 0 |
| Dardenne Lake Shell | Dardenne Shell | 25 | 0 | 0 |
| Tires And Go, Inc | Skyline Truck | 25 | 0 | 0 |
| Orchard Farm Townhomes | County of St. Charles | 25 | 0 | 0 |
| Flo Ann Subd | Flo Ann Subd | 25 | 0 | 0 |
| Waste Mgmt Of St Louis West | County of St. Charles | 25 | 0 | 0 |
| Shell Oil Co-st Peters | County of St. Charles | 25 | 0 | 0 |
| Shell Oil Co-st Peters | Shell Oil Co | 25 | 0 | 0 |
| Noboleis Vineyards | County of St. Charles | 25 | 0 | 0 |
| St Charles County Airport | County of St. Charles | 25 | 0 | 0 |
| Balducci Vineyards | County of St. Charles | 25 | 0 | 0 |
| Chandler Hill Vineyard | County of St. Charles | 25 | 0 | 0 |
| Dardene Baptist Church | Dardene Baptist | 25 | 0 | 0 |
| St Judes Subdivision | County of St. Charles | 8 | 0 | 0 |