Sahih al-Bukhari #239 · Ablutions (Wudu')

Sahih al-BukhariThe same narrator said that the Prophet
Sahih al-Bukhari · Book 4 · Ablutions (Wudu')
Sahih al-Bukhari · كتاب 4 · كتاب الوضوء
"You should not pass urine in stagnant water which is not flowing then (you may need to) wash in it
وَبِإِسْنَادِهِ قَالَ ‏
"‏ لاَ يَبُولَنَّ أَحَدُكُمْ فِي الْمَاءِ الدَّائِمِ الَّذِي لاَ يَجْرِي، ثُمَّ يَغْتَسِلُ فِيهِ ‏"‏‏.‏
Reference : Sahih al-Bukhari 239In-book reference : Book 4, Hadith 105