Residential Wastewater
We support homeowners with end-to-end wastewater expertise. From new builds and renovations to system upgrades and replacements, we work with reputable suppliers to design fit-for-purpose onsite systems tailored to site conditions and household needs. Our team manages everything from site assessments and consent documentation through to installation checks and final code of compliance, giving property owners clarity, compliance, and peace of mind.
Industrial Wastewater
We work with processors, manufacturers, and service industries to deliver wastewater and trade waste solutions that meet permit conditions and protect waterways. Our engineers design systems that manage flows reliably, optimise performance, and align with operational demands. From concept and consent applications to commissioning and compliance reporting, we help businesses achieve efficiency while meeting environmental responsibilities.
Municipal Wastewater
GWE provides end-to-end technical support to territorial authorities for the planning, upgrade, consenting, design and delivery of municipal wastewater treatment plants. Our team assists with new facilities, capacity increases and effluent-quality upgrades, helping councils respond to growth, ageing assets and evolving regulatory standards. Through evidence-based design and clear documentation, we streamline approvals, support efficient commissioning and ensure reliable, compliant performance across every stage of delivery.
Small Community Wastewater
Our wastewater engineers design cost-effective treatment and disposal systems tailored for small communities, including subdivisions, camp-grounds and marae. We handle the full project lifecycle, from initial site investigation and feasibility studies, through resource consenting and technical design, to implementation and commissioning of treatment plants, pipelines and pump stations. Our services include pre-purchase inspections, on-site wastewater treatment and disposal solutions.
