The lack of sharing, organizing and reporting on water are among the obstacles to the implementation of the objectives of a significant number of scientific researches in Morocco. Especially as access to data and information on water held by the administration, is still not open to the general public. In this context the SAWIS Initiative was created to provide a platform for sharing data manages and maintained by a scientific association for the water information (SAWIS) systems. The purpose of this platform is to provide the scientific community, the methods and techniques for sharing data and enrich them with tools Open source GIS and conform to OGC standards (WMS, WFS, CSW). The present work aims to (1) present the context of the birth of SAWIS Initiative, (2) present the service-oriented architecture and functionalities of the platform and (3) present the results of a study cases with data from a pilot area, resulting from scientific work, to achieve a "SWEM Platform for Meknes region".