In many big lakes, contamination of sewage and encroachment by illegal buildings still continue to thrive.
Chief Minister Edappadi K Palaniswami on Monday reviewed the monsoon situation and directed officials to take immediate action to help affected people.
The Municipality had broken one side of the bund on the right side of the lake, letting out an unregulated flow of water.
Currently, the city has around 4 thousand million cubic feet (TMC) of water as against the capacity of 11.257 TMC which officials hope may help the city survive the summer.
Fishermen have been warned to not venture into areas in close proximity to Mannar, Kumarian, Maldives, and Lakshadweep.
Pallavaram, Chromepet, Kundrathur, Chitlapakkam, Medavakkam, Madambakkam and Tambaram among other areas in the suburbs were the worst affected by Sunday's rain.
Rescue operation by the police and fire rescue services are underway as more people are feared to be trapped under the debris.
Forty-four medical teams consisting of doctors on the move and rescue teams are in a state of readiness at 52 places.
As part of relief efforts, the Collector on Sunday held a meeting with officials of all departments in the presence of Industries Minister MC Sampath.
Residents alleged that most of the streets in these areas disappeared during the heavy rains and water did not drain for many hours
As part of monsoon preparedness, the civic body has placed boats in 109 places in the city to rescue people during flooding.
Scores of commuters in both regions are facing trouble to reach their respective workplaces since morning hours as some of the major junctions of the states are clogged with rainwater.
With lakes only 35 per cent full, this active spell would help fill up the drinking water sources.
Overall, there’s 9 per cent rainfall deficit in TN, between October 1 and November 19.
The man had to take the mud road across the river at Tiruneermalai since the renovation of a nearby bridge was delayed inordinately.