Gastrointestinal (GI) symptoms and diarrhoea are markers of intake of contaminated food and water. The present study aimed to establish water quality as a priority area in community needs assessment at the onset of Community Extension Service for indigenous communities. Dry and wet season water samples from six sampling sites were subjected to physico-chemical and microbiological analysis along with a one-year population survey (n=546) on GI symptoms and diarrhoea cases. All water sample results were non-potable based on national standards which collates with the high frequency of GI symptoms and diarrhoea in the indigenous community. Diarrhoea cases decreased after implementing a community raising-awareness program on Water Quality and Safety. The results of the present study demonstrated that water quality is a priority area in the community needs assessment of an indigenous community. Community awarenessraising programs proved effective in mitigating GI symptoms and diarrhoea through the boiling of water before consumption.