The infill sewerage maps below indicate the regions within Western Australia that have been completed, are in the process of completion or areas that were deferred in 2009.
| South West Region Map - Mandurah | |
| South West Region Map - Bunbury Collie | |
| South West Region Map - Busselton | |
| South West Region Map - Margaret River | |
| South West Region Map - Augusta | |
| Mid West Region Map - Geraldton | |
| Goldfields Esperance Region Map | |
| Metropolitan Region Full Map | |
| Metropolitan Map 1 | |
| Metropolitan Map 2 | |
| Metropolitan Map 3 | |