McConnell Dowell signed the official contract to complete Stage Three of the Shotover Wastewater Treatment Plant Upgrade in early July 2023 The project is the third and final stage of Queenstown Lakes District Council’s 20-year-long programme to transition the plant from the traditional Biological and Aerated Pond Treatment processes to the ‘Activated Sludge Treatment’ method. The new clarifier, reactor tank and other improvements will future-proof the plant and double its current capacity. The new process is more efficient than the traditional effluent treating effluent to a higher standard. Our approach to planning the project has been focused on finding simple, sustainable ways to upgrade the plant while minimising disruption to the existing plant and impacts on the environment. Shotover WWTP Upgrade Queenstown, New Zealand
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