Abdullah bin Mubarak عبد الله بن المبارك · The Book on Purification

the Prophet prohibited that a man should urinate in his bathing area. And he said: "It will only cause misgivings." There are narrations on This topic from "a man from among the Companions of the Prophet."

"Water is for water,' was only permitted in the beginning of Islam. Then it was prohibited."

a similar narration (as Hadith no. 110) from, Az-Zuhri, with this chain.