Kitui County in Kenya experiences prolonged dry seasons with average humidity levels of 40-60%. The rural primary school with 450 students had no reliable water source. Students spent 2-3 hours daily walking 5km to fetch contaminated water from seasonal streams, leading to:
Traditional water solutions like boreholes were not feasible due to the deep water table and high mineral content. The school needed a sustainable, off-grid solution that could provide clean drinking water year-round despite the arid conditions.