Wastewater Treatment

New Plymouth WWTP ACENZ Award Submission FINALWastewater Treatment Facilities of all Shapes and Sizes

MWH, now a part of Stantec, scientists and engineers have designed wastewater treatment facilities of various sizes. Our experience encompasses sewer collection systems, advanced wastewater treatment facilities, residuals management and handling, odour control and air pollution and water reuse. We have significant expertise in all facets of wastewater liquid stream and solids stream treatment ranging from conventional plants for organic removals to complex nutrient removal/resource recovery processes covering scopes from compliance evaluations to turnkey delivery of completely operational facilities.

Regulatory Requirements, Planning and Permitting

Through effective and efficient project planning, MWH experts provide comprehensive services and expertise in regulatory requirements, planning and permitting to ensure project success, with services including:

  • Wastewater and biosolids system master planning
  • Local, state and federal regulatory compliance strategy
  • Economic and rate studies
  • Community consultation
Treatment Technologies

As one of the leading wastewater treatment companies, we are at the forefront in the application of treatment technologies, including:

  • Preliminary treatment
  • Primary and secondary treatment
  • Tertiary treatment/disinfection
  • Treatment technology
  • Biological nutrient removal (BNR)
  • Real time control
  • Advanced biosolids treatment
  • Resource recovery
  • Energy generation
Preliminary and Detailed Wastewater Treatment Design

Our multi-disciplinary design team blends expertise and proven reputation for innovative, quality wastewater treatment facility design projects, including:

  • Process engineering and design for liquid and solids treatment systems
  • Treatment system design support (preliminary engineering reports)
  • Civil, electrical, mechanical, chemical, instrumentation and control, geotechnical, structural, architectural engineering and design, technical specifications
  • Technical, economic and financial feasibility studies
  • Treatment process modelling and simulation software studies
  • Bench-, pilot- and demonstration-scale studies
  • Existing wastewater treatment plant upgrades
  • QA/QC and value engineering
Process Modelling

Using state-of-the-art process models, we provide optimised solutions to address a wide range of issues, including:

  • Biological treatment
  • Chemical addition systems
  • Stormwater¬†treatment
  • Odour source and dispersion
  • Computational fluid dynamics
  • Data inventory, analysis and management
  • Energy management
  • Resource recovery
  • Carbon inventory and emissions

MWH expertise runs the full life cycle of a project, including partnering with our clients to determine best practices for operations, including:

  • Plant operations and optimisation
  • Operator training
  • Process start-up and commissioning
  • Equipment analysis and evaluation
  • Best treatment practices
Program Management

Our experts have a proven track record of providing program management services to deliver complex wet infrastructure programs.

View more about our Program Management services.

Asset and Utility Management

As aging infrastructure continues to impact our municipal and industrial clients, MWH experts assess the condition of their wet infrastructure and provide innovative rehabilitation, upgrade and expansion solutions.

View more about our Management Consulting services.