An area of 430 km 2 has been contaminated and turned saline due to sea water ingress in the inland aquifers along the tidal river courses and also in low lying marshy areas according to a study conducted by Central Ground Water Board ( CGWB) which was released Monday by Water Resources Department Minister Filip Neri Rodrigues
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/30-sq-m-contaminated-sea-water-ingress-goa-cgwb-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/herald-panjim
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/central-groundwater-board-cgwb
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-quality
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fluoride
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water