Choose Your Site

MWH, now part of Stantec, is comprised of global offices in 35 countries and operating on six continents. Choose a regional site highlighting local services, experience and experts.

We are a global, full-service consulting, engineering and construction company. Choose a site below that highlights special service offerings or markets in which we serve.

Stormwater/Wet Weather Management

Stormwater Infrastructure Management Leveraging our global wastewater and stormwater management experience, MWH, now part of Stantec, provides a full range of wet weather services based on sustainable water management principles. We bring our clients extensive stormwater infrastructure knowledge and experience with complex, urban pollution issues. Our experts are able to identify improvement opportunities and provide optimized, cost-effective, pollution-free energy solutions throughout the entire hydrologic and hydraulic urban water cycle.

In addition to piping, storage and treatment, MWH counsels our clients to redesign the urban environment to better handle wet weather before run-off enters the sanitary, storm or combined sewer systems. We believe the best place to manage wet weather is as early as possible in the system, Handling storms in this manner is more sustainable, less expensive, and more cost-effective to manage in the long term.

Learn more about Wet Weather Management

Regulatory Requirements, Planning and Permitting

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

  • Regulatory negotiations
  • Master planning
  • Long term control plans
  • Catchment management approach
  • Hydraulic modeling
Combined Sewer Overflow (CSO) and Sewer System Overflow (SSO) Control

Our expertise in successfully completing sewer collection system design and construction projects that implement innovative and alternative resolutions to CSO and SSO problems includes:

  • Field investigations, hydraulic analysis and modelling
  • Data gathering and analysis
  • Long Term Control Plans and SSO Prevention Plans
  • Rehabilitation
Preliminary and Detailed Design

Our multi-disciplinary design team blends expertise and proven reputation for innovative, quality design for wet weather projects including:


Capacity, Management, Operations and Maintenance (CMOM)

MWH is a forerunner in the development and implementation of CMOM Programs to help our clients control and minimize overflows. Our services include:

  • CMOM self audits and self assessments
  • Best Management Practice (BMP) implementation
  • Hydraulic modelling assessment and evaluation certification
  • Policy and organizational development
  • Performance monitoring
  • Training, safety, emergency response and operational planning


Construction and Construction Management

We offer a full range of high-value, “start-to-finish” pre-construction, construction and construction management services.

View more about our Construction Management services.

Program Management

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

View more about our Program Management services.

Asset and Utility Management

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

View more about our Management Consulting services.