About $8 billion needs to be invested annually in providing potable water in Nigeria, if the country must achieve Goal 6 of the Sustainable Development Goals (SDGs) by 2030.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/nigeria-needs-invest-8-billion-yearly-potable-water-unicef
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/all-africa
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nigeria
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sustainable-development-goals-sdgs
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sanitation
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/unicef
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa