Mosquito risk in Chennai: 17% fewer complaints | Chennai information


CHENNAI: Greater Chennai Corporation’s plan earlier this year to deploy many machines to address the problem of litter buildup in bodies of water has paid off as the total number of mosquito complaints fell 17% through November last year, official data shows.
In 2019, the GCC received 7,920 complaints, while the number has fallen to 6,520 this year, according to official data.
These complaints are received through a variety of channels, including the Namma Chennai mobile application, complaint # 1913, social media, and also in the form of physical complaints. Officials said the improvement was significant as many residents were at home during the lockdown and if the mosquito threat had not decreased they would have received more complaints than they did last year. Usually the number of complaints starts from July to August, when the city is first hit by rain.
Officials said the improvement has been significant, but much more needs to be done to further reduce the number of complaints.
“Water stagnation and debris floating on bodies of water are also commonly believed to increase the mosquito threat and are logged into the system as such,” said a senior official. Typically, mosquito breeding points are located in places where storm sewers are clogged and on bodies of water such as canals where hyacinths or floating garbage grow heavily.
The decline in the number of complaints is mainly due to the disposal of this floating debris on bodies of water, a senior official said.
“Earlier this year, GCC procured amphibians, mini-amphibians and robotic excavators. In each of the three regions there was at least one such machine that was carefully put into operation all year round to remove the floating debris in lakes, ponds and canals, “the official said.
Most of the complaints were received in the Anna Nagar, Kodambakkam, Tondiarpet, Teynampet, Adyar and Royapuram zones. These are also the zones where the number of complaints from previous years has decreased significantly.
However, a key concern for the company is the floating rubbish in the Adyar and Cooum Rivers, as well as the Buckingham Canal, which are under the control of the Public Works Department. “They have not yet started mechanizing their cleaning operations,” said the official.

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