Sanitary Main Catchment Area (0)
| Other Catchment Area |
| Bayview |
| Cundles |
| Essa |
| Hewitts |
| Industrial |
| Lakeshore |
| North |
| Paddison Farms |
| Painswick |
Watershed Boundary (1)
| Other Watershed Boundary |
| Bayshore |
| Bear Creek |
| Bunkers Creek |
| Dyments Creek |
| Georgian |
| Gray Lane |
| Hewitts Creek |
| Holgate Creek |
| Hotchkiss Creek |
| Huronia Creek |
| Johnson |
| Kidds Creek |
| Little Lake |
| Lovers Creek |
| Minets |
| Mulcaster |
| Nelson |
| Rodney |
| Royal Oak |
| Sophia Creek |
| St. Vincent |
| Whiskey Creek |
| Williams |
|