The Prophet ( sal Allaahu alayhi wa sallam ) said : None amongst you should urinate in stagnant water , and then wash in it.
Sunan Abi Dawud Book 1, Hadith 69
← Previous Hadith One of the wives of the Prophet (ﷺ) took a bath from a large bowl. The Prophet (ﷺ) wanted to perform ablution or take from the water left over. She said to him: O Prophet of Allah, verily I was sexually defiled. The Prophet said: Water not defiled.

Sunan Abi Dawud Book 1, Hadith 68 Next Hadith → The Prophet (ﷺ) said: None amongst you should urinate in standing water, then wash in it after sexual defilement.

Sunan Abi Dawud Book 1, Hadith 70