WastewaterCentral Interceptor
A 15-kilometre gravity trunk sewer and pump station network reducing overflows across central Auckland.
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Tunnel and underground projects, built and still standing.
Twenty-seven selected projects across four markets. Filter by market, or search for a project by name, location or service.
8 projects in Wastewater
WastewaterCentral Interceptor project details
WastewaterBrightwater Conveyance System
A regional conveyance system including a long single-pass microtunneled marine outfall connector.
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WastewaterNorthwest Inner City Upper Plateau Separation Project
A deep trunk sewer and drop shaft re-routing combined flows away from an overloaded waterfront interceptor.
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WastewaterAkron Ohio Canal Interceptor Tunnel
A deep, small-diameter interceptor tunnel and consolidation tank system in karstic ground.
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WastewaterAnnacis Island Outfall System
A trenchless outfall and marine diffuser replacement delivered with the plant kept in service.
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WastewaterGolden Ears Force Main and River Crossing
A large-diameter force main including a difficult river crossing and deep urban shafts.
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WastewaterNewtown Creek CSO Storage Tunnel
A 2.6-mile deep rock CSO storage tunnel with six shafts, cutting overflow events by design.
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WastewaterArmy Bay Ocean Outfall Replacement
The longest pipeline drive ever installed with the Direct Pipe system at the time of completion.
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