وَنَبِّئۡهُمۡ أَنَّ ٱلۡمَآءَ قِسۡمَةُۢ بَيۡنَهُمۡۖ كُلُّ شِرۡبٖ مُّحۡتَضَرٞ

Inform them that the water is to be shared between them; each of them showing up at his turn.’