- African Ministers' Council on Water (AMCOW)
- Asian Development Bank (ADB)
- Associated Programme on Flood Management (WMO/GWP)
- CapNet
- Dundee UNESCO Centre
- EU NeWater
- European Water Partnership (EWP)
- Ground Water - MATE
- Institute for Water Resources of the U.S. Army Corps of Engineers (IWR)
- Integrated Drought Management Programme (WMO/GWP)
- International Network of Basin Organizations (INBO)
- International Union for Conservation of Nature (IUCN)
- Local Governments for Sustainability (ICLEI)
- Stockholm International Water Institute (SIWI)
- UNEP-DHI Centre
- United Nations Development Programme (UNDP)
- UN-Water
- Water Integrity Network (WIN)
- Water Supply and Sanitation Collaborative Council (WSSCC)
- World Health Organisation (WHO)
- World Water Council (WWC)
