[[http://www.environment.gov.pk/images/rules/SRO2010NEQSAirWaterNoise.pdf|Pakistan Water Quality Standards]]



[[https://www.medicalnewstoday.com/articles/290814|Fifteen benefits of drinking water]]

[[https://www.iwapublishing.com/news/rainwater-why-it-safe|Rainwater - Why is it Safe?]]


[[https://tribune.com.pk/story/2060543/clean-drinking-water-control-hepatitis|‘Clean drinking water to control hepatitis’]]

[[https://www.who.int/news-room/fact-sheets/detail/drinking-water|Drinking-water]]

[[http://www.pantoto.org/waterfilter/|
COTTON CLOTH FILTER FOR HEALTHY WATER
]]

[[http://sciencevision.org.pk/BackIssues/Vol7/Vol7No3-4/Vol7No3&4_17_Groundwater_Salinity_AMashiatullah.pdf|GROUNDWATER SALINITY IN COASTAL   AQUIFER OF KARACHI, PAKISTAN]]