| Business | Phone |
| East Donegal Sewer Authority 190 Rock Point Rd, Marietta 17547 | (717) 426-2855 |
| East Donegal Township 190 Rock Point Rd, Marietta 17547 | (717) 426-3167 |
| Marietta Boro Offices 111 E Market St, Marietta 17547 | (717) 426-4143 |
| Marietta Boro Sewage Treatment 50 Furnace Rd, Marietta 17547 | (717) 426-1650 |