Sahih Muslim
282.01

Abu Huraira reported:the Messenger of Allah (ﷺ) said: None amongst you should urinate in standing water, and then wash in it

282.02

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