(28) باب النَّهْىِ عَنِ الْبَوْلِ، فِي الْمَاءِ الرَّاكِدِ
Abu Huraira reported:
the Messenger of Allah (ﷺ) said: None amongst you should urinate in standing water, and then wash in it.
Reference: Sahih Muslim 282a
In-book reference: Book 2, Hadith 122
USC-MSA web (English) reference(deprecated numbering scheme): Book 2, Hadith 554