The 6th IWA Water and Wastewater Technologies in Ancient Civilisations International Symposium will take place in the picturesque location of Naples (Italy) in February 2026. In our symposia, historians, archaeologists, engineers, water utility managers, heritage conservationists, and geology and speleology scientists construct a lively dialogue on water technologies from the ancient and recent past. The conference, organised by the IWA specialist group on ancient water technologies, aims at shaping a common water culture that can inspire new generations and future applications. Welcome topics include:

• rainwater collection & harvesting
• water resources management
• water security
• history of irrigation and desalination
• ancient and historical water technologies
• water heritage promotion and maintenance
• use-reuse of water in urban and rural areas
• water culture and social practices
• water energy and machines