IWRN is present in all countries of the Americas. Each Dialogue has promoted the aftermath conversations and iniatiaves to advance in water management objectives in the countries where it has been held. IWRN communities reflect the breadth and depth of the water sector in the Americas.

Specialist groups are an exceptionally effective means of international networking, sharing information and skills, and making good professional and business contacts. Task groups are formed in order to perform a defined task, such as producing reports, best management practice publications, and water policy briefings.