| Business | Phone |
| Boro Of Monaca Manager Office 928 Pennsylvania Ave, Monaca 15061 | (724) 775-9600 |
| Boro Of Monaca Pump Station 599 Atlantic Ave, Monaca 15061 | (724) 775-9605 |
| Boro Of Monaca Sewage Plant 928 Pennsylvania Ave, Monaca 15061 | (724) 775-9606 |
| Center Twp Sewer Plant Elkhorn 996 Biskup Ln, Monaca 15061 | (724) 728-4950 |
| Maintenance Garage 117 Wilhelm Dr, Monaca 15061 | (724) 774-3170 |
| Maintenance Garage 206 Mowry Rd, Monaca 15061 | (724) 495-7506 |
| Potter Twp Municipal Bldg 206 Mowry Rd, Monaca 15061 | (724) 495-6220 |