- Ministry of Land, Infrastructure and Transport

- Ministry of Environment

- Ministry of Agriculture, Food and Rural Affairs

- Ministry of Public Safety and Security

- Australian Government Department of the Environment

- Ministry of Land, Infrastructure, Transport and Tourism

- United States Department of Agriculture (USDA)

- United States Geological Servey (USGS)

- Environment Canada

- Met Office

- Department of Environment, Food & Rural Affairs

- Environment Agency

- Department of Water and Sanitation

- General Directorate of State Hydraulic Works

- National Water Agency

- Geological Survey of Brazil

- Geological Survey of Denmark and Greenland

- Danish Ministry of the Environment

- Departement de l¡¯Eau

- Ministry of Water Resources

- Ministry of Water Resources and Irrigation

- National Water Research Center

- PUB Singapore's National Water Agency

- Government of the Netherlands

- The Austrian Federal Ministry of Agriculture, Forestry, Environment and Water Management

- Federal Ministry for the Environment, Nature Conservation and Nuclear Safety

- Spanish Ministry of Agriculture, Food and the Environment

- Federal Agency of Water Resources

- Ministry of the Environment

- Ministry of Agriculture and Forestry

- Italian Ministry for the Environment and Land and Sea

- AEAG(Agence de l'eau Adour-Garonne)

- AEAP(Agence de l'eau Artois Picardie)

- AELB(Agence de l'eau Loire-Bretagne)

- AERM(Agence de l'eau Rhin-Meuse)

- AERMC(Agence de l'eau Rhone Mediterranee Corse)

- AESN(Agence de l'eau Seine-Normandie)

- RID(Royal Irrigation Department)

- Department of Public Works and Highways

- Pagasa(Philippine Atmospheric, Geophysical and Astronomical Services Administration)

- DMH(Department of Meteorology and Hydrology)

- MPWT(Ministry of Public Works and Transport)

- Ministry of Agriculture and Water Ressources