Jami` at-Tirmidhi 68
جامع الترمذي#68SahihAbu Hurairah narrated that :the Prophet said: "Let none of you urinate [in still water, then perform Wudu with it]
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 1:68