Sunan an-Nasa'i 326
سنن النسائي#326Sahihأَخْبَرَنَا هَارُونُ بْنُ عَبْدِ اللَّهِ، قَالَ حَدَّثَنَا أَبُو أُسَامَةَ، قَالَ حَدَّثَنَا الْوَلِيدُ بْنُ كَثِيرٍ، قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ كَعْبٍ الْقُرَظِيُّ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَبْدِ الرَّحْمَنِ بْنِ رَافِعٍ، عَنْ أَبِي سَعِيدٍ الْخُدْرِيِّ، قَالَ قِيلَ يَا رَسُولَ اللَّهِ أَتَتَوَضَّأُ مِنْ بِئْرِ بُضَاعَةَ وَهِيَ بِئْرٌ يُطْرَحُ فِيهَا لُحُومُ الْكِلاَبِ وَالْحِيَضُ وَالنَّتَنُ فَقَالَ " الْمَاءُ طَهُورٌ لاَ يُنَجِّسُهُ شَىْءٌ " .
It was narrated that Abu Sa'eed Al-Khudri said:"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
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 2:2