The evaluation study consisted of a field survey and writing up of a report on the findings from field data supplemented with a desk review of relevant documents. The study utilised both qualitative and quantitative data through a participatory approach based on (i) key informant interviews by use of data collection instruments, (ii) field visits to sites, (iii) group discussions with stakeholders, and (iv) beneficiary interviews. A total of eight districts were visited to assess the performance of the WSS projects. The sample size ensured that the selected facilities took into consideration basic sampling requirements. In this respect, the overall sample size covered in the study included:
1. Five government managed water supplies out of a total of 43 supplies.
2. Five community managed water supplies out of 33 supplies.
3. Thirty-eight point sources out of 3549 in Western province.
4. Sanitation study covered five health facilities out of 81 health centres.