The document summarizes the Mazhapolima program in Kerala, India which aims to improve water security through participatory well recharge and linking water and sanitation. The program was initiated in Thrissur District which has high rainfall but drought conditions, with 70% of households dependent on drying wells for drinking water. The community-driven program uses roof rainwater harvesting, participatory planning and implementation, and crowd-sourcing of funds to recharge over 20,000 wells benefiting 125,000 people. However, studies show 90% of wells in Kerala remain bacteriologically contaminated due to unsanitary toilets and liquid/solid waste mismanagement, highlighting the need to link water and sanitation for true security and