Integrated Water Management

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The sustainable management of water is one of the key challenges facing our society today. As decision makers, we need to take an informed and holistic approach to the sustainable and secure management of a valuable resource.

Integrated Water Management (IWM) is a strategy that brings together all facets of the water cycle — water supply, sewage management, water treatment and stormwater management — to achieve strong triple bottom line benefits.

Around the globe, we now recognize that water demand and water supply are not in balance. Our professionals understand the interrelation and importance of water reuse, stormwater, groundwater and seawater as essential additions to the traditional water sources from dams and rivers. We offer IWM strategies that are inclusive of these sources and provide long-term sustainable solutions.

With more than 80 years of experience in the management and delivery of water services to the community, GHD’s water gurus understand the correlation between all water cycle elements.

Our people can deliver IWM schemes to benefit organizations and communities through superior energy efficiency, low embedded energy materials and liveable, sustainable community environments


  • Water harvesting
  • Water storage and treatment
  • Water distribution
  • Sewage collection and treatment
  • Water recycling, environmental/river replacement flows
  • Community engagement and management
  • Business and government strategic advisory services
  • Triple bottom line analysis
  • Multi-variable criteria and sustainability analysis
  • Project management 

Kanawha River, West Virginia


Our client is completing an investigation of a 14-mile section of the Kanawha River near Nitro, West Virginia, under the Removal Action program for the United States Environmental Protection agency (USEPA). The river is partially controlled by a series of locks and dams, and is a major transportation route for coal and other materials. The investigation was completed in three phases:

  • Assembly and detailed review of existing information to develop a Site Conceptual Model (CSM)
  • Refining the CSM through focused sampling, including fish tissue, surface water quality, natural recovery analysis, and sediment quality
  • Additional sediment sampling to fill in data gaps to support remedy selection

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Willow Run Creek Site, Michigan


The Willow Run Creek Site involved the remediation of over 340,000 cubic yards of polychlorinated biphenyl impacted sediments and soil. GHD developed a program of pre-design studies, including pilot-scale dredging/dewatering studies, to determine the optimal method of sediment removal and processing.

The selected remedy involved dewatering of the work area, water treatment, and solidification of the sediments to provide the necessary strength for placement in a site-dedicated consolidation disposal facility (CDF). The CDF was designed to meet stringent Toxic Substances Control Act (TSCA) and Resource Conservation and Recovery Act (RCRA) hazardous waste disposal facility standards. 

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