Question 8: What is the ruling on using sewage water to perform Wudoo’ (ablution) or Ghusl (ritual bath) after it has been treated?
A: All Praise is due to Allaah Alone and peace and blessings be upon His Messenger, his family, and companions. To commence: The Council of Senior Scholars has studied this matter before in the Kingdom of Saudi Arabia and issued a decision regarding it to the following content: The council has read the study that was made on this matter by the Permanent Committee for Scholarly Research and Ifta’. The council has also read the letter of his Excellency, the Minister of Agriculture and Water No. 1 / 1299 on 30/05/1398 A. H. After studying and discussing the matter, the following was decreed… read more here.