The problem of sedimentation was not severe as the Adyar's width near Thiru.Vi.Ka. Bridge is nearly that enabled tidal effect into the waterway for about . However, it was essential to provide groynes to keep the river mouth open for adequate width and prevent inundation during monsoon. In 2011, the Water Resources Department (WRD) proposed to construct groynes to reduce formation of sand bars near the mouth the river.In 2012, the state government allotted 3,000 million towards construction of 337 sewage cleaning systems in the waterways in the city, including 49 locations in the Adyar river. Others include 105 points in Cooum river and 183 locations in the Buckingham Canal.