With diminishing water resources, especially in arid and semiarid regions of the world, there
is a growing effort to find new sources of freshwater. This chapter explores the technological
landscape of water purification in India. The different kinds of treatment methods used for the
purification of water depend not only on the source of water, but also on the intended use of
the treated water. This chapter focuses on the purification of water meant for drinking in
India. While there are a plethora of technologies available for the purification of water meant …