Wastewater network and treatment

We provide a reticulated wastewater   service to 21,660 residential properties in the district and approximately 2,893 non-residential properties.   

An average of 14,521 m3 is produced in the district daily.  it travels through the wastewater network via 551 km of wastewater pipes and requires 65 pump stations to move it to 5 treatment plants.  

Once it makes it to the treatment plant, the wastewater is treated using biological treatment processes.  This requires  the wastewater to be treated to a started that complies with discharge consent limits as set out by Otago Regional Council.   

Project Shotover (Queenstown) and Project Pure (Wanaka) are significant wastewater treatment facilities in the district. 

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