Musannaf Ibn Abi Shayba 13:988

Abu Bakr narrated to us, he said: Yahya ibn Adam narrated to us, he said: Zuhayr narrated to us, from Abu al-Zubayr, from ‘Amr ibn Shu‘ayb, from his father, from his grandfather, that a servant of theirs sold the surplus water of a spring belonging to them for twenty thousand. ‘Abdullah ibn ‘Amr said to him: "Do not sell it, for its sale is not lawful."