| Business | Phone |
| Southside Water Treatment Plnt Se County Road 1, Mount Pleasant 75455 | (903) 577-7038 |
| Mt Pleasant Utility Billing 501 N Madison Ave, Mount Pleasant 75455 | (903) 575-4107 |
| Mt Pleasant Water Treatment 401 Edgewood St, Mount Pleasant 75455 | (903) 575-4132 |