According to the latest statistics, 76 per cent of water comes from desalination plants and is distributed to the north of the Sultanate, with its high population density.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/98-population-oman-get-safe-piped-water-2040
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-oman
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/oman
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/energy