| Grey Bruce Public Health | Owen Sound |
| Huron Perth Public Health, Clinton - London Rd, Safe Beach Water | Central Huron |
| Huron Perth Public Health, Clinton - London Rd, Safe Drinking Water | Central Huron |
| Lakelands Public Health, Peterborough - King St, Safe Water | Peterborough |
| Ontario. Ministry of Environment, Conservation and Parks, Barrie Office, Conservation and Parks | Barrie |
| Public Health Ontario., Peterborough Laboratory | Peterborough |
| Ramara Township, Brechin - 2297 Hwy 12, Infrastructure | Ramara |
| Wellington-Dufferin-Guelph Public Health, Orangeville, Public Health | Orangeville |
| Wellington-Dufferin-Guelph Public Health, Shelburne, Public Health | Shelburne |