Your challenges Our innovative techniques Guarantee access to drinking water Respond to water stress and safeguard water resources Extend the life of your networks Treat and recycle your wastewater Intervene without disrupting the activity of an industrial site Find out more Networks Infrastructure Your challenges Guarantee access to drinking water Respond to water stress and safeguard water resources Extend the life of your networks Treat and recycle your wastewater Intervene without disrupting the activity of an industrial site Our innovative techniques Building at a height, underground, or in an aquatic environment Rehabilitation by trenchless works to visitable and non-visitable facilities Renewal of facility waterproofing Network mapping and survey Directions Régionales DR Centre-Est DR Grand Est DR Hauts-de-France DR Ile-de-France DR Normandie DR Ouest DR Sud DR Sud-Ouest International Belgique Costa Rica Côte d'Ivoire Equateur Maroc Moldavie Portugal Roumanie Sénégal Sri Lanka Services spécialisés Direction de l’Activité Nucléaire SADE Ingénierie SADE Forages SADE Travaux Spéciaux SADERTELEC Regional Divisions Arras Regional Division Bordeaux Regional Division Ile-de-France Regional Division Lyon Regional Division Marseille Regional Division Metz Regional Division Rennes Regional Division Rouen Regional Division International Belgium Costa Rica Ecuador Ivory Coast Morocco Moldova Portugal Romania Senegal Sri Lanka Specialized Services SADE Ingénierie Water boreholes Special works SADE SADERTELEC Direcciones Regionales Dirección Regional Centre-Est Dirección Regional Grand Est Dirección Regional Hauts-de-France Dirección Regional Ile-de-France Dirección Regional Normandie Dirección Regional Oeste Dirección Regional Sud Dirección Regional Sud-Ouest Internacional Bélgica Costa Rica Costa de Marfil Ecuador Marruecos Moldavia Portugal Rumania Senegal Sri Lanka Servicios especializados SADE Ingénierie SADE Obras Especiales SADERTELEC