If One Only Has Enough Water Either for Wuḍū or Ghusl
Issue No.621- If in the prayer time a person has water sufficient only for wuḍū or for ghusl, and he knows that if he throws it away he will not be able to get water again, it is haram to do so, and the obligatory precaution is that he should not throw it away even before the time for prayer sets in. Similarly, if it is reasonably likely that he would not get water, if he throws it away, he should keep the water, as an obligatory precaution. In all these circumstances, if he throws the water away, his prayer with tayammum will be correct yet one in such cases should not throw the water away.
