Hadith #3639 (Sunan Abi Dawud) Book: The Office of the Judge (Kitab Al-Aqdiyah) Narrator(s): Abdul 'Aziz bin Muhammad al-Daruradi عبد العزيز بن محمد الدراوردي, Abdullah bin 'Abdur Rahman bin Ma'mar عبد الله بن عبد الرحمن بن معمر, Abu Sa'id al-Khudri, Amr bin Yahya bin 'Ammara عمرو بن يحيى بن عمارة, Mhmwd bin Khalid محمود بن خالد, Muhammad bin 'Uthman al-Akhnasi محمد بن عثمان الأخنسي, Yahya bin 'Ammara يحيى بن عمارة بن أبي حسن الأنصاري Grade: Hasan Sahih ‘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. Source: https://parallelquran.com/hadith/sunan-abi-dawud-3639/