"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.'"
قِيلَ يَا رَسُولَ اللَّهِ أَتَتَوَضَّأُ مِنْ بِئْرِ بُضَاعَةَ وَهِيَ بِئْرٌ يُطْرَحُ فِيهَا لُحُومُ الْكِلاَبِ وَالْحِيَضُ وَالنَّتَنُ فَقَالَ الْمَاءُ طَهُورٌ لاَ يُنَجِّسُهُ شَىْءٌ