This document presents a robust and authorized framework that provides essential support for the seamless execution of WSPs in the context of Sri Lanka. This need arises within the global context of WSPs gaining recognition as a crucial tool in ensuring drinking water quality, acceptability, and quantity as advocated by the WHO and widely adopted worldwide. Notably, in the specific context of Sri Lanka, the WHO has extended its WSP training program to the South Asian region, acknowledging the country’s proactive stance in embracing and implementing WSP practices. The policy includes consideration of both equity and climate resilience, and aims to ensure access to safe and quality drinking water for all citizens, promoting sustainable water use and promoting economic growth and prosperity in the water sector.