Sunan al-Nasa'i The Book of Water Abbas bin 'Abdul 'Azeem al-'Anbari عباس بن عبد العظيم العنبري Abdul 'Aziz bin Muslim al-Qasimali عبد العزيز بن مسلم القسملي Abu 'Amir al-'Aqdi عبد الملك بن عمرو القيسي أبو عامر العقدي Khalid bin Abi Nwf خالد بن أبي نوف Matruf bin Tarayf al-Harithi مطرف بن طريف “It was said: ‘O Messenger of Allah, you perform Wudu’ from the well into which the bodies of dogs, menstrual rags and garbage are thrown?’ He said: ‘Water is pure and it is not made impure by anything.'” https://parallelquran.com/hadith/sunan-al-nasai-327/