McConnell Dowell Company Profile

Our expertise covers drinking, waste and stormwater, with successful projects in capture, storage, treatment, distribution and disposal. We’ve designed and delivered some of the largest, most modern and complex wastewater treatment plants in New Zealand. In Australia we have designed and built some of the world’s largest and most efficient desalination plants. We have upgraded plants and pump stations to ensure water security and wastewater treatment for urban and rural communities. Partnering with suppliers for innovative treatment technologies. We are experts in large diameter pipeline construction and have delivered water pipelines up to 1800 mm (70”) in diameter. Our in-house specialist skills and plant enable execution of HDD, micro-tunnelling, Direct Pipe® and other complex trenchless solutions. Water & Wastewater Solutions Army Bay Ocean Outfall New Zealand Gisborne WWTP Upgrade – Stages 2 New Zealand St Marys Bay Ocean Outfall New Zealand Warkworth to Snells Pump Station & Transfer Pipeline New Zealand Barber Grove to Seaview WWTP Pipe Duplication New Zealand Māngere WWTP BNR Upgrade New Zealand Wellington Sludge Minimisation New Zealand Snells Algies WWTP & Ocean Outfall New Zealand Daldy Street Outfall New Zealand Pukekohe WWTP Upgrade New Zealand Ports of Auckland Outfall Upgrade New Zealand Projects include: Shotover WWTP Upgrade New Zealand Scan here to learn more about our Water & Wastewater Solutions

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