To take stock of water bodies in the city, including ponds that have been filled in and encroached upon, the Brihanmumbai Municipal Corporation is planning to map them.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/bmc-map-all-water-bodies-city
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/indian-express-mumbai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/maharashtra
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mumbai
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/municipal-corporation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-water-harvesting
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/teri
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-interest-litigation-pil