Al Qamar Ayah 28

وَنَبِّئْهُمْ أَنَّ ٱلْمَآءَ قِسْمَةُۢ بَيْنَهُمْ‌ۖ كُلُّ شِرْبٍ مُّحْتَضَرٌ ٢٨ And tell them that the ?drinking? water must be divided between them ?and her?, each taking a turn to drink ?every other day?.”