The brief survey which was conducted in December 2023 for a period of 10 days by ActionAid Association in all the seven lakes of South Bengaluru — Anjanapura, Chunchaghatta, Doddakallasandra, Dorekere, Konanakunte, Kothnur and Subbaraayakere — has now been submitted to the municipal body Bruhat Bengaluru Mahanagara Palike (BBMP).