Workmen building house connections to the master meter system. With this system, PDAM (municipal water utility) could serve low income communities in the areas unreachable by the PDAM regular connections, such as informal areas and stage houses above the sea. In the Master Meter system, PDAM is responsible for distributing water supply from the main pipeline connections owned by the PDAM to the Master Meter equipment. The local community is responsible for distributing water from the Master Meter equipment to the respective houses. The master meter system is managed and maintained by community group organization.