Hadith 239

وَبِإِسْنَادِهِ وَبِإِسْنَادِهِ قَالَ : " لَا يَبُولَنَّ أَحَدُكُمْ فِي الْمَاءِ الدَّائِمِ الَّذِي لَا يَجْرِي ، ثُمَّ يَغْتَسِلُ فِيهِ " .
The same narrator said that the Prophet had said: "You should not pass urine in stagnant water which is not flowing then (you may need to) wash in it."
Hadith Reference Sahih Bukhari / The Book of Wudu (Ablution) / Hadith: 239
Hadith Grading محدثین: أحاديث صحيح البخاريّ كلّها صحيحة