| Business | Phone |
| Bayou Teche Water Works 702 Coteau Holmes Rd, New Iberia 70563 | (337) 229-6029 |
| Coteau Water System Inc 4104 Coteau Rd, New Iberia 70560 | (337) 367-6111 |
| Louisiana Water Co 448 E Main St, New Iberia 70560 | (337) 365-0002 |
| Saint Mary Water Works 129 W Pershing St, New Iberia 70560 | (337) 367-3896 |