The rapid growth of urban India has added new saliency to the resource conflict between the burgeoning cities and village India that continues to be the home for vast majority of Indians. Cities, like living organisms, depend on external metabolic flows to keep them alive. Among all the metabolic flows of matter and energy none is more important than water - especially water used for meeting basic drinking water and other domestic consumption needs. This paper develops a metabolic framework for domestic water use in Bangalore, one of the fastest growing urban agglomerations in India.