WATER AUDIT IN DISTRIBUTION NETWORK BY ESTABLISHING DISTRICT METERED AREA (DMA) - A NECESSITY IN ASSESSING REAL LOSSES COMPONENT OF NON-REVENUE WATER (NRW)

Due to continual growth of population, the availability of potable water is declining. Water audit is one of the strategic tools that provide a realistic , scientific framework that categorizes all water u sage in the system and pinpoints how efficiently the system is operating and where the losses are occurring. In Distribution network, it is a tool to overcome shortage, leakage and losses of water. In this case study, water audit has been conducted for the distribution network for a single District Metered Area in south Bangalore. The audit comprise s of calculating the system input, real losses and infrastructure leakage index.