A Dissertation Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science in Development Policy (MSc. DP) of Mzumbe University 2015.This study examined on how National Water Policy of 2002 was implemented in accessing Domestic Water use in Rural Part of Mufindi District especially in Rungemba Ward. The study objective was to assess the implementation of Tanzania National Water Policy, 2002 in the accessibility of clean and safe water for domestic use in rural community of Mufindi District. Study comes out with several specific objectives first, to explore how water sources are being protected in rural community. Second, to examine the status of domestic water supply and thirdly, to identify challenges facing community in accessing clean and safe water for domestic use. This Study adopted cross-sectional descriptive research design. Data were collected checked for relevance and edited to remove some errors. The collected data was coded for analysis. On entering the collected data from questionnaire survey into computer, Statistical Package for Social sciences (SPSS) was used. This was done by numbering them so as to match with SPSS statistical package for the analysis procedure. After conducting research data presented in the form of tables, charts and graphs as the way to keep them clear and understandable to anyone who came across the document and read it. Results showed that, community were involved in water source protection, as in study area there were village water committees, bye-laws, village water funds, also results showed that many villagers access water more than 400metres differently from what Policy recommend, and majority used stream water rather than other water sources. Moreover results showed community faced several challenges in water source protection like majority they don’t want to pay for services, limited community involvement in water source protection, theft of metal iron parts and lack of maintenance of hand pumps and tapes. It is concluded that, people should be aware on all issues concerning water source protection so that they can be able to take all precautions measures relating to water source protection