The Pakistan Council of Research in Water Resources (PCRWR) has revealed that 90 percent of the rural population lack access to safe drinking water.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/around-90-pak-rural-areas-lack-safe-drinking-water-supply-report
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rural-water-supply
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pakistan
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-quality
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rawalpindi
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-water-supply
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/arsenic
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fluoride