· Agència Catalana de l’Aigua

· Entidad de Medio Ambiente del Àrea Metropolitana de Barcelona

· Agència de Residus de Catalunya

· Spanish Association of Waste Management Companies

· Ministry of Enviroment

· Castilla La Mancha. Agriculture and Environment Department

· Principality of Asturias Public Works Department

· Government of Aragón. Environment

· Environment Department - Community of Madrid

· Environment Department – Autonomy of Andalusia

· Consellería de Territori i Habitatge de la Generalitat Valenciana

· Conselleria de Medio Ambiente. Xunta de Galicia

· Environment Department . Euskadi - Basque Country

· Government of La Rioja. Environment

· Environment in Castilla y León

· Autonomy of Extremadura Department of Environment, Urbanism and Tourism

· Environment Window . Navarre

· Environment. Canarias

· Environment Cantabria

· Region of Murcia. Environment

· Hydrographic Confederation of Júcar

· Hydrographic Confederation Ebro

· Hydrographic Confederation Guadiana

· Andalusian water department