I see you haven't lived in a mega-city like Karachi. When I lived there (some years ago, admittedly, but I don't believe things have improved much) we were luck

I see you haven't lived in a mega-city like Karachi. When I lived there (some years ago, admittedly, but I don't believe things have improved much) we were lucky to get mains water for a few hours a couple of times a week at some seasons.