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| Photo Credit: B. Velankanni Raj

The Greater Chennai Corporation (GCC) has completed desilting 493.83 km (29.42%) of the 1,671.6-km stormwater drain network taken up through contracts as of August 28, 2026. Work is under way along 77.29 km (4.62%), while that along 1,109.2 km (65.94%) remains to be taken up.Tiruvottiyur has recorded the highest physical progress at 57.43%, followed by Sholinganallur at 54.87% and Alandur at 46.41%. Anna Nagar has recorded 37.94%, followed by Madhavaram (34.71%), Perungudi (30.73%), Manali (30.69%), Valasaravakkam (28.64%), Ambattur (28.56%), Adyar (24.98%), and Royapuram (22.08%). Thiru Vi Ka Nagar has recorded 17.01%, the lowest among the zones.The desilting work covers 8,252 roads through 101 packages, of which 2,351 roads have been completed, while work is in progress on 389 roads. Work on a total of 43,614 machine holes has also been completed.For silt catch-pit cleaning, the GCC has identified 1,10,082 pits. Phase I has covered 1,10,082 pits (89%), while Phase II has covered 30,430 pits (28%), as of August 28.As directed by the Stare government, the work will be completed by the end of September, according to GCC officials.The GCC has also been allocated ₹100 crore for monsoon preparedness, including desilting, road restoration, pumps, and deployment of 1,000 seasonal workers. Published - August 31, 2026 01:27 pm IST