Sunan an-Nasa'i 35
سنن النسائي#35SahihIt was narrated from Jabir that the Messenger of Allah (ﷺ) forbade urinating into standing water
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 1:35