Coasts
- Netherlands Centre for Coastal Research (NCK)
- Waddenzee (some parts available in English)
- Coastal Imaging Lab
- North Sea Foundation
- Schelde Informatie Centrum (Dutch only)
Rivers
- Netherlands Centre for River Studies (NCR)
- International Commission for the Protection of the Rhine
- Tomorrow’s Meuse
- Deltaplan grote rivieren (Dutch only)
- Rivernet
National institutes/universities
- Wageningen Agricultural University, Department Environmental Technology
- STOWA (Dutch only)
- Institute for Environmental Studies
- Institute for Marine and Atmospheric research Utrecht (IMAU)
- Deltares
- University of Twente, Twente Water Centre
- University of Utrecht, Faculty of Geosciences
- TUDelft, Hydraulic Engineering section
- Delft Cluster (Dutch only)
- NWO
- Waddenacademie
International institutes/universities
- The National Oceanography Centre, Liverpool
- Danish Hydraulic Institute
- Hydraulic Research Wallingford
- CSIRO-Australia
- IWS-Stuttgart-Germany
- BFG-Koblenz-Germany
- FZK-Hannover-Germany
- Leichtweiß-Institut-Braunschweig-Germany
- ETH-Switzerland
- Institute of Hydrology-United Kingdom
- EPA-United States
- USGS Water-United States
International organizations
Hydrology
- Wageningen: Hydrology and Quantitative Water Management
- Water resources of the United States (USGS)
- Real-time data Chicago River at Chicago Lock (USGS)
- The Hydrologic cycle
Data and information networks
- Global Water Forum
- Aral Sea Images
- Databases MARIS (Marine Information Service)
- Britisch Oceanographics Data Centre
- Tidal and Current predictor USA
- Waterfootprint
- Helpdesk Water (Dutch only)
- Media library IAHR
- Search Phd reports
- Search papers in Springer database