Sunan Abi Dawud — The Office of the Judge (Kitab Al-Aqdiyah) — Hadith No: 3639
Translation
Amr bin Shu'aib on his father's authority said that his grandfather told that the Messenger of Allah (ﷺ) decided regarding the stream al-Mahzur that its water should be held back till it reached the ankles, and that the upper waters should then be allowed to flow to the lower