Wastewater |
| Belmont Wastewater Treatment Works | 1771 | results | |
| Boulder Bay Wastewater Treatment Works | 358 | results | |
| Branxton Wastewater Treatment Works | 1680 | results | results |
| Burwood Beach Treatment Works | 1683 | results | results |
| Cessnock Wastewater Treatment Works | 227 | results | results |
| Clarence Town Wastewater Treatment Works | 13250 | results | results |
| Dora Creek Wastewater Treatment Works | 1771 | results | |
| Dungog Wastewater Treatment Works | 4197 | results | |
| Edgeworth Wastewater Treatment Works | 1771 | results | results |
| Farley Wastewater Treatment Works | 733 | results | |
| Karuah Wastewater Treatment Works | 10230 | results | results |
| Kearsley Wastewater Treatment Works | 3232 | results | results |
| Kurri Kurri Wastewater Treatment Works | 1767 | results | |
| Morpeth Wastewater Treatment Works | 10693 | results | results |
| Paxton Wastewater Treatment Works | 3755 | results | |
| Raymond Terrace Wastewater Treatment Works | 217 | results | results |
| Shortland Wastewater Treatment Works | 1683 | results | results |
| Tanilba Bay Wastewater Treatment Works | 4435 | results | |
| Toronto Wastewater Treatment Works | 1771 | results | |
Water |
| Balickera Canal | 5346 | results | |
| Dungog Water Treatment Plant | 2863 | results | results |
