Richmond System Wastewater Upgrade 2025 Richmond. The new biofilter system uses layers of porous materials to grow specialized microorganisms. Contract awarded for $150m sydney water upgrade.

The project will include a new wastewater pumping station and the construction of a new seven kilometre main which is expected to transfer wastewater from north richmond to. Sydney water has commenced upgrades worth $185m to its richmond wastewater network to build resilience and accommodate a growing population.