كتاب الطهارة وسننها
1  
The Book of Purification and its Sunnah
(33)
Chapter: Concession regarding water left over from a woman's ablution
(33)
باب الرُّخْصَةِ بِفَضْلِ وَضُوءِ الْمَرْأَةِ
Sunan Ibn Majah 370
It was narrated that Ibn 'Abbas said:
"One of the wives of the Prophet took a bath from a large vessel, then the Prophet came and had a bath or ablution, and she said: 'O Messenger of Allah, I was sexually impure.' He said: 'Water does not become impure.'"
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا أَبُو الأَحْوَصِ، عَنْ سِمَاكِ بْنِ حَرْبٍ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ اغْتَسَلَ بَعْضُ أَزْوَاجِ النَّبِيِّ ـ صلى الله عليه وسلم ـ فِي جَفْنَةٍ فَجَاءَ النَّبِيُّ ـ صلى الله عليه وسلم ـ لِيَغْتَسِلَ أَوْ يَتَوَضَّأَ فَقَالَتْ يَا رَسُولَ اللَّهِ إِنِّي كُنْتُ جُنُبًا ‏.‏ فَقَالَ ‏ "‏ الْمَاءُ لاَ يُجْنِبُ ‏"‏ ‏.‏
Grade: Da'if (Darussalam)
Reference : Sunan Ibn Majah 370
In-book reference : Book 1, Hadith 104
English translation : Vol. 1, Book 1, Hadith 370