We found 21 public water systems that could serve the same population as Clay Co Pwsd 3 (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Kansas City | Kansas City | 460,000 | 40 | 14 |
| Liberty | Liberty | 29,000 | 20 | 7 |
| Gladstone | Gladstone | 27,000 | 21 | 1 |
| Excelsior Springs | Excelsior Spgs. | 11,084 | 19 | 3 |
| Kearney | Kearney | 9,261 | 55 | 4 |
| Smithville | Smithville | 9,233 | 37 | 43 |
| Ray Co Cons Pwsd 2 | Polo, Richmond | 9,212 | 0 | 1 |
| North Kansas City | N. Kansas City | 4,800 | 0 | 0 |
| Clay Co Pwsd 6 | Kearney | 4,647 | 0 | 2 |
| Clay Co Pwsd 2 | Liberty | 3,345 | 0 | 2 |
| Clay Co Pwsd 9 | Smithville | 2,532 | 0 | 1 |
| Clay Co Pwsd 8 | Kearney | 2,090 | 0 | 6 |
| Clay Co Pwsd 5 | Liberty | 1,000 | 0 | 2 |
| Clay Co Pwsd 4 | Liberty | 970 | 0 | 2 |
| Missouri City | Missouri City | 300 | 0 | 35 |
| Clay Co Pwsd 7 | Excelsior Spgs. | 283 | 0 | 12 |
| Liberty Village Mhp | County of Clay | 210 | 0 | 0 |
| Mosby | Mosby | 194 | 0 | 10 |
| Birmingham Village Of | Birmingham | 190 | 0 | 10 |
| Prathersville | Prathersville | 155 | 0 | 4 |
| Majestic Hills Mhp | Excelsior Spgs. | 25 | 0 | 0 |