At the Opening Ceremony of the IDRA World Congress 2024, the International Desalination and Reuse Association (IDRA) officially announced the Saudi Water Authority (SWA) as the host of the IDRA World Congress 2026, which will be held in Riyadh from 1–5 November 2026 under the patronage of the Ministry of Environment, Water and Agriculture (MEWA). The announcement was marked by the traditional IDRA World Congress flag handover ceremony, symbolizing the official transition of the Congress to the Kingdom of Saudi Arabia.

Riyadh Set to Host the World of Water as IDRA Unveils 2026 Congress Preliminary Program and Awards
The complete preliminary Thematic and Technical Programs are published together with the WC26 Preview Booklet. Riyadh, Kingdom of Saudi Arabia, 1 to 5 November 2026.



