This manual has been developed by the Central Public Health and Environmental Engineering Organisation (CPHEEO), a department under the Ministry of Urban Development (MoUD) and is intended primarily for the managers and technicians in-charge of the O&M of the urban drinking water supply systems.

The aim of the manual is to serve as a guide for strengthening the technical, operational and managerial capabilities required of the concerned personnel to operate and maintain water supply services as per acceptable norms of quantity, quality, sustainability, reliability and cost.