Sayyiduna Jabir (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) performed ablution, and I took the leftover water from his ablution and poured it into my well.
Hadith Referenceسنن الدارقطني / كتاب الطهارة / 389
Hadith Takhrij«أخرجه الدارقطني فى ((سننه)) برقم: 389، والطبراني فى ((الأوسط)) برقم: 6980»