IRC, CINARA and CREPA are the founding partners of the Source newsletter family. IRC is owner of the Source formula and co-publisher of the English, French and Spanish versions, which includes printing, distribution and the international ISSN registration numbers for serial titles.

GWA, the Gender and Water Alliance and Cap-Net, the international network for capacity building in integrated water resources management (IWRM) are content contributors. In 2008, the Water Supply and Sanitation Collaborative Council (WSSCC), and original partner of IRC in this publication, joined as content contributor and co-sponsor.