These were Goripalya near Mysore Road, Mangammanapalya near Hosur Road, Peenya Industrial area, Mavallipura dumpsite near Yelahanka, and Begur Lake. The list of probable contaminated sites comprises Lalbagh Lake, Madiwala Lake, Hebbal Lake, Bellandur Lake, Kengeri Tank, Arekere Lake, Agara Lake, and Begur Lake.