Carrying water by trains could be an emergency measure. Chennai has a strong tradition of water harvesting. But the problem is that most of these structures are either defunct or poorly maintained. Chennai which had 19 major lakes covering an area of 1130 hectares. But these waterbodies have been heavily encroached upon reducing their spread to just about 645 hectares. Its time that we understand the importance of water harvesting.

How the life around the Yamuna River changed with time and people Tributaries of the Yamuna flowed through the city and several rulers tapped the streams and fed the water through massive sluices into tanks, to provide water for their people. Today, these tributaries have dried up and become cemented tunnels underneath the city that carry sewage to the Yamuna.