Progress engineered. Problems solved.

Municipal Wastewater

GWE supports territorial authorities to plan, upgrade and deliver wastewater infrastructure that meets today’s environmental rules. We cover the full lifecycle; from feasibility and options, detailed design, consenting and procurement to commissioning of plants, pipelines and pump stations. Our integrated civil, water and environmental expertise create value for councils and the communities they serve.

    Why GWE for Municipal Wastewater

    Strategic foresight

    we plan, design and future-proof infrastructure to meet growth and environmental demands

    Integrated expertise

    process, mechanical and civil engineers delivering coordinated, end-to-end project solutions.

    Regulatory assurance

    consent-ready documentation and reporting that satisfy council and environmental standards.

    Reliable delivery

    from feasibility to commissioning, we ensure performance, compliance and operational confidence.

    What we do

    GWE provides comprehensive consulting services to territorial authorities developing or upgrading municipal wastewater infrastructure. Our engineers deliver solutions that meet regulatory requirements, improve system performance and build resilience for future growth. From feasibility and master planning through design and construction oversight, we support the entire project lifecycle. We apply our technical expertise to optimise treatment plants, pipelines and pump stations to ensure every system is efficient, compliant and built to serve communities long into the future.

      Master Planning and Options Identification 

      Our team undertakes high level master planning for municipal water infrastructure to assist with identifying long term infrastructure requirements. This includes: 

      High level option identification and business case development 

      Cost estimation (capital and operational) 

      Identification of planning and resource consenting issues 

      Risk assessments 

      Multi-criteria analysis and other option evaluation techniques 

      Process and Plant Design 

      GWE’s team of engineers undertake the design of plant and processing equipment for the treatment of wastewater prior to discharge to the environment. This includes: 

      Review of existing treatment processes to identify bottlenecks and opportunities for improvement 

      Process design for new wastewater plants 

      Design of civil structures and mechanical plant 

      Design and automation of chemical dosing and storage facilities 

      Operational improvements, operational support and training 

      Pipeline and Pump Station Design 

      GWE assists its clients with the design of pipeline and pump stations for water and wastewater networks. Our team is highly experienced in hydraulic design, route selections, materials selection, water hammer analysis and construction techniques for pipelines and pump stations operated by councils. GWE is also able to assist with remedial works on existing water and wastewater networks to reduce leakage and inflow/infiltration. 

      Tendering and Construction Management 

      GWE’s engineering team assists its clients in all areas of project implementation. We support our clients by providing independent advice and taking due regard of best industry practice. 

      Preparation of tender documents 

      Tender evaluation 

      Construction management 

      Operator Training 

      Commissioning 

      Why Choose GWE

      Strategic infrastructure planning

      long-term designs and options for growth and resilience. 

      Regulatory compliance

      consent-ready designs and reports that satisfy environmental controls.

      Operational performance

      optimising treatment, hydraulic systems and plant reliability. 

      Seamless execution

      construction oversight, training and transitions that ensure continuity of service. 

      How we work (LIFT)

      L

      Listen

      we begin by understanding community needs, catchment characteristics and regulatory drivers. 

      I

      Innovate

      we apply modern treatment, automation and energy-efficient solutions.

      F

      Follow Through

      we deliver full consent documentation, manage construction and validate operations.

      T

      Team Up

      we work alongside councils, contractors and operators to ensure smooth handover and lasting performance.

      Frequently Asked Questions.

      Why do new municipal plants require full planning and consenting?

      Municipal systems interact with community, environment and resource rules therefore plans and consents are needed to manage effects, capacity and resource use. 

      How long does municipal wastewater projects typically take?

      Depending on scale and complexity, from initial planning through to commissioning may span months to years. 

      Can GWE upgrade an existing plant rather than build new?

      Yes, we routinely assess, retrofit and optimize existing systems to improve performance and compliance. 

      Does GWE support operator training and handover?
      Absolutely. Commissioning, training, monitoring, reporting and transitioning support are built into our service to maintain compliance and reduce lifecycle costs.
        How do you support municipal upgrades?
        We provide the planning, consenting, design and commissioning support councils need to expand capacity or improve effluent quality, with documentation that stands up to assessment.

          Ready to get your project moving?

          Tell us about your project, we’ll map the approvals pathway and provide a scoped proposal.