| Business | Phone |
| Huntsville Sanitary Sewers 1800 Vermont Rd Sw, Huntsville 35802 | (256) 883-3765 |
| Huntsville Solid Waste Auth 5251 Triana Blvd Sw, Huntsville 35805 | (256) 880-6054 |
| Huntsville Water Pollution 1800 Vermont Rd Sw, Huntsville 35802 | (256) 883-3719 |
| Madison Solid Waste Authority 4100 Leeman Ferry Rd Sw, Huntsville 35805 | (256) 881-8700 |
| Natural Resources-Envrnmntl 320 Fountain Cir Sw, Huntsville 35801 | (256) 427-5750 |
| Water Quality Lab 14000 Memorial Pkwy Sw, Huntsville 35803 | (256) 650-6374 |