Napier’s Wastewater Treatment Plant (WWTP) milliscreen is now up and running. This is phase one of having the full plant operational. The plant was inundated by floodwaters and silt caused by Cyclone Gabrielle. The plant suffered extensive damage and the repair programme is complex.
A programme of work was established to reinstate the plant:
The wastewater treatment plant reached a major milestone on Thursday 6 April when the milliscreen was successfully restored to full operation.
Milliscreens are a traditional basic facility used across industry to separate large solids, materials, and waste products. Recommissioning the milliscreens allows a basic level of filtering of wastewater before it enters the outfall pipe.
Phase 2 will see the reinstatement of the Biological Trickling Filter (BTF) plant, which means wastewater will be treated before it enters the outfall pipe.
BTF’s create a biological environment for breaking down harmful bacteria in the remaining sewerage over a period of time.
Read more about the important role the Wastewater Treatment Plant plays and its history here.
Napier water restrictions have now been lifted meaning householders can return to normal water use. But managing water demand by changing habits is an important part of adapting to climate changes and protecting precious resources.
Simple changes like only flushing the 3Ps, giving the garden a decent soaking less often, and repairing leaks around the house can go a long way in managing our water resources and looking after our stormwater and wastewater systems.
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