al-Hasan bin 'Ali al-Halwani الحسن بن علي الخلال الحلواني · The Book on Purification

the same from his grandmother the daughter of Sa'eed bin Zaid, from her father, from the Prophet.

"It was said, 'O Allah's Messenger! Shall we use the water of Buda'ah well to perform ablution while it is a well in which menstruation rags, flesh of dogs and the putrid are dumped?" Allah's Messenger said: 'Indeed water is pure, nothing makes it impure.'"