Muwatta Malik 1431
موطأ مالك#1431SahihMalik related to me from Abu'r-Rijal Muhammad ibn Abd ar-Rahman from his mother Amra bint Abd ar-Rahman that she informed him that the Messenger of Allah, may Allah bless him and grant him peace, said, "Do not withhold the surplus water of a well from people
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih
In-book reference: 36:33