WEFTEC 2026 — Water Environment Federation Technical Exhibition & Conference

The world's largest water quality conference and exhibition. 99th annual edition. 21,000+ attendees from 100+ countries, 1,000+ exhibitors across 80,000 sq m of floor space. Organised by the Water Environment Federation (WEF). Conference 26-30 September, Exhibition 28-30 September. Covers water treatment, wastewater technologies, sensors, pumps, digital monitoring, sustainability, sludge management, membrane systems, robotics and AI-driven water tech. Features the Operations Challenge and Poster 2.0 early-stage research platform. Key themes 2026: PFAS treatment, potable reuse, microplastics, climate change and AI in water. WEF House of Delegates Speaker-Elect Peter Garvey (BETA Group) presenting. Booth costs from $40,000. Largest single water sector event in the world by attendance and floor space.