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Integrated Water Resource Management (IWRM)

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Philippe Cleyet-Merle
Philippe Cleyet-Merle Deputy International Director

Integrated management and sustainable reuse of water resources

Integrated water resource management (IWRM)” is a process which promotes the coordinated development and management of water, land and related resources, in order to maximize the resulting economic and social welfare in an equitable manner without compromising the sustainability of vital ecosystems” (GWP, 2000).

Assistance for every process

With our cross-cutting expertise in the field of water we can help you to improve the management of your water resources by:

  • Describing and quantifying groundwater and surface water resources
  • Analyzing assessments of aquatic environments
  • Shared analytical assessment on pressure-impacts-solutions
  • Modeling hydrosystems combined with their uses (quality and quantity).
  • Defining scenarios (climate and socio-economic) and trend strategies
  • Proposing action plans and scheduling
  • Organizing consultation workshops

We provide assistance for every process, leading to balanced and shared water resource management.

Baseline assessment - shared resources and uses assessment

  • Sampling, water quality, pressure, hydrological and hydrobiological analysis and measurements
  • Hydrological and hydrogeological assessments, analysis and evaluation of watershed groundwater and surface water resources
  • Assessment and studies on water quality and geochemistry (analysis of emission sources, transport, degradation, sedimentation, events )
  • Modeling of requirements - impacts and water resource allocation (abstraction volumes, irrigation, drinking water supply, hydroelectricity, recreational uses, etc.).
Integrated management and sustainable reuse of water resources
Integrated management and sustainable reuse of water resources

Strategic planning and support to institutions

  • Scenario showing trends that incorporates changes in driving factors (climate, population, socio-economic) and initiatives undertaken locally
  • Consultation, co-construction and local management of strategic stakes and local objectives
  • Drafting of program and scheduling documents, establishment of water management and development plans
  • Assistance in implementing water governance
  • Skills transfer

Our R&D

Our approach to integrated resource management is also based on the stakes in terms of water savings and water management in its broadest sense of technical and methodological solutions. Our R&D focuses on:

  • Wastewater reuse for industrial, agricultural, recreational or drinking water supply purposes.
  • what becomes of micropollutants in water
  • Stormwater management and related ecosystemic services
  • The development of real-time water resource management tools.
  • Water resource management in salt build-up contexts and unsaturated environments.

IWRM Projects

Complementary Services


Water Stewardship


Drinking water and Sanitation


Climate Change

Have any questions?

Contact us to discuss your water needs.

Philippe Cleyet-Merle
Philippe Cleyet-Merle Deputy International Director

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