We found 29 public water systems in Union county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Union City Of (4410001) | Union | 11,767 | 47 | 9 |
| Meansville Riley W/d (4420001) | Union | 7,237 | 0 | 13 |
| Santuck Hebron Water Co (4420007) | Carlisle | 3,087 | 41 | 9 |
| Browns Creek W/d (4420002) | Union | 2,854 | 0 | 8 |
| Rocky Creek W/d (sc4420003) | Jonesville | 2,439 | 0 | 7 |
| Jonesville Town Of (4410002) | Jonesville | 1,902 | 0 | 5 |
| Jp Brown Plt Eng | County of Union | 1,070 | 0 | 0 |
| Buffalo Water District | County of Union | 1,022 | 0 | 0 |
| Lockhart Mill | County of Union | 920 | 0 | 0 |
| Monarch Mill W/s | County of Union | 887 | 0 | 0 |
| Lockhart Power Company | County of Union | 788 | 0 | 0 |
| Lockhart Mills | County of Union | 741 | 0 | 0 |
| Lockhart Town Of (sc4420010) | Lockhart | 531 | 0 | 12 |
| Carlisle Town Of (4410003) | Carlisle | 456 | 0 | 6 |
| Sardis Water District | County of Union | 312 | 0 | 0 |
| Lukesvillew/d | County of Union | 288 | 0 | 0 |
| Lovers Lane W/d | County of Union | 257 | 0 | 0 |
| Carlisle Cone Mills (4430003) | Carlisle | 125 | 0 | 22 |
| Dhl Labs | County of Union | 65 | 0 | 0 |
| Dhl Labs Inc | County of Union | 62 | 0 | 0 |
| Excelsior Mfg | County of Union | 26 | 0 | 0 |
| George Swearinger | County of Union | 26 | 0 | 0 |
| Carlsan School | County of Union | 26 | 0 | 0 |
| Gws-bilo 5740 (4480004) | Union | 26 | 0 | 0 |
| Gws-walmart 0629 (4480002) | Union | 26 | 0 | 0 |
| Herbert Hunt Camp (4470800)s3 | County of Union | 15 | 0 | 0 |
| Rose Hill St Pk | County of Union | 6 | 0 | 0 |
| Big Boy T Stop | County of Union | 0 | 0 | 0 |
| Gws-family Dollar 0073 (4480003) | Union | 0 | 0 | 0 |