(8) باب فَضْلِ صَدَقَةِ الْمَاءِ
It was narrated that Sad bin Ubadah said:
"I said: 'O Messenger of Allah, what charity is best?' He said: 'Giving water to drink.'" (ID)
Reference (ID): Sunan Ibn Majah 3684 (ID)
In-book reference (ID): Book 33, Hadith 28 (ID)
English translation (ID): Vol. 5, Book 33, Hadith 3684 (ID)