Issue No. 368, March 2020
Restoring the Siruseri Twin Lakes
The Siruseri lakes before (below) and after (top) desilting and landscaping by PFCIn 2015 Chennai experienced one of the worst floods in its history with over four hundred fatalities, economic damage of over US $3billion and 1.8 million people displaced. In its wake, Tata Consultancy Service (TCS), one of the largest companies in India, approached IIT Madras (IITM) to carry out a detailed hydro-geological survey of the Siruseri watershed. TCS’s offices are located on the 300 acre SIPCOT campus, home to prominent software companies on the outskirts of south-west Chennai. IIT conducted the hydro-geological survey and had two recommendations to prevent future floods and improve water management in the area. Firstly, the existing drainage channels needed to be cleared and encroachments around them removed, and secondly the storage capacity of Siruseri Twin Lakes needed to be improved.TCS and IITM then approached Pitchandikulam Forest Consultants (PFC), an Auroville unit that specialis...