| Business | Phone |
| Air Quality Control Bureau 230 Chestnut St, Meadville 16335 | (814) 332-6940 |
| Environmental Protection 230 Chestnut St, Meadville 16335 | (814) 332-6945 |
| Water Quality Mgmt 230 Chestnut St, Meadville 16335 | (814) 332-6942 |
| Water Supply Mgmt 230 Chestnut St, Meadville 16335 | (814) 332-6899 |