Surah Al-Mulk, ayah 30

67:30

قُلۡ أَرَءَيۡتُمۡ إِنۡ أَصۡبَحَ مَآؤُكُمۡ غَوۡرٗا فَمَن يَأۡتِيكُم بِمَآءٖ مَّعِينِۭ ٣٠

Qul ara'aytum in asbaha mā'ukum ghawran faman ya'tīkum bimā'im ma'īn

Say, "Have you considered: if your water was to become sunken [into the earth], then who could bring you flowing water?"