The Multi Donor Trust Fund of South Sudan (MDTF SS) awarded a USD 30 million grant to the Ministry of Water Resources and Irrigation (MWRI) to implement the Water Supply and Sanitation Project (WSSP). The World Bank having been appointed as the administrator of the fund; worked closely with MWRI and the Technical Assistant Support Team (TAST) in the implementation of the project. A variety of WASH facilities were constructed at specific locations within the 10 States of South Sudan. These included boreholes, small water distribution systems (SWDS), public latrines etc. This Briefing Paper sets out to share the achievements of WSSP as well as constraints encountered and lessons learnt during project implementation in the Republic of South Sudan.