We found 13 public water systems in Ray county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Ray Co Cons Pwsd 2 | Polo, Richmond | 9,212 | 0 | 1 |
| Richmond | Richmond | 5,797 | 0 | 3 |
| Lawson | Lawson | 2,473 | 0 | 7 |
| Ray Co Pwsd 1 | Lawson | 2,315 | 0 | 3 |
| Ray Co Pwsd 3 | Polo | 1,855 | 0 | 3 |
| Orrick | Orrick | 800 | 0 | 7 |
| Wood Heights | Wood Heights | 717 | 0 | 11 |
| Hardin | County of Ray | 569 | 0 | 9 |
| Henrietta | Henrietta | 356 | 0 | 12 |
| Camden | Camden | 250 | 0 | 0 |
| Fleming | Camden | 150 | 0 | 0 |
| Stet R-xv Schools | Stet | 137 | 0 | 0 |
| Union Baptist Church | Union Baptist | 25 | 0 | 0 |