However, over the years, the lake has been contaminated with sewage and industrial effluents from surrounding areas such as Pattaravakkam, Athipet and Ambattur.
[2] In 2013, the Water Resources Department decided to rejuvenate and beautify the lakes in Ambattur, Madhavaram and Korattur with parks and walkways.
[3] In 2018, the corporation identified and removed about 550 encroachments along the bank of the lake and the bund will be strengthened to a distance of 3 kilometers.
According to the Care Earth Trust, a city-based biodiversity research organisation, nearly 40 bird species are present in these lakes, including common tailorbird, the purple-rumped sunbird, and the migratory Asian openbill stork.
[5] A good part of greenery and natural vegetation was present in this lake, even till the last decade.
Apart from water birds, other birdlife like black-rumped flameback, woodpecker, rose ringed parakeet, black drongo, paddyfield pipit, blue jay, golden oriole, common mynah, Eurasian hoopoe, Indian swiftlet, swallow, coppersmith barbet, Asian green bee-eater, blue-tailed bee-eater, Asian koel, Jacobin cuckoo, coucal and rufous treepie occur here.