Khamis Mushait
Riyadh North
Independent Sewage Treatment Plant
Hadda
Independent Water Plant
Hafar Al Batin
Independent Sewage Treatment Plant
Aranah
Independent Water Plant
Riyadh East
Independent Sewage Treatment Plant
AL Kharj
Independent Sewage Treatment Plant
Najran South
Independent Sewage Treatment Plant
Abu Arish
Independent Sewage Treatment Plant
North Taif
Independent Sewage Treatment Plant
