IDA is the world’s leading organization focused on desalination and advanced water treatment including water reuse. It is associated with the United Nations as part of a growing international network of nongovernmental organizations (NGOs).

With membership that includes end users, solutions providers, and technology developers; engineers, consultants, scientists, and researchers from governments, corporations, and academia; as well as financial institutions and providers of other services to the desalination and water reuse industry.