This report presents a comprehensive assessment of water resources of the Mkoji Sub-Catchment, its uses and productivity. The report is organized into four chapters. Chapter two gives details of the methodologies that were used in data collection and analysis. The conceptual approach and methodological development of FNPP’s Water theme were considered in the formulation of project activities methodologies. The results and discussions are presented in chapter three, while conclusions and recommendations are presented in chapter four. The report is supported by various maps and appendices, which form part of the database.