This service activity aims to empower the community through the introduction of PDAM water treatment technology into suitable water for consumption in the form of applying Reverse Osmosis (RO) 200 GDP to BUM refill water depot businesses in Unggul Sari Village. Wonosari Village. Bengkalis Regency. The method of implementing this service used participatory training and mentoring. https://www.remtavares.com/