(28) باب النَّهْىِ عَنِ الْبَوْلِ، فِي الْمَاءِ الرَّاكِدِ
Hammam b. Munabbih said:
Of the ahadith narrated to us by Abfi Huraira from Muhammad the Messenger of Allah (ﷺ) one is this: The Messenger or Allah (ﷺ) said: You should not urinate in standing water, that is not flowing, then wash in it.
Reference: Sahih Muslim 282b
In-book reference: Book 2, Hadith 123
USC-MSA web (English) reference(deprecated numbering scheme): Book 2, Hadith 555