Delivering another state-of-the-art wastewater treatment plant upgrade to Auckland Watercare engaged McConnell Dowell (in joint venture) to upgrade the Pukekohe Wastewater Treatment Plant (WWTP) to support population growth in Franklin and improve the quality of the water discharge into the Waikato River. The upgrade of the Pukekohe WWTP was completed on time and within budget while keeping the existing WWTP fully functioning. This new WWTP is one of the most advanced plants of its kind in the country, and has more than double the capacity of the plant, enabling it to cater for up to 60,000 people. We converted the current reactors that clean the water into activated sludge reactors and constructed a third reactor, increasing the plant’s previous capacity. We also constructed a new Ultra-Violet disinfection system, which greatly improved the water quality being released into the Parker Lane stream and Waikato River. Pukekohe WWTP Upgrade Auckland, New Zealand
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