The Book Pertaining to the Excellent Qualities of the Holy Prophet (may Peace be upon them) and His Companions (Kitab Al-Fada'il)
Muslim :: Book 30 : Hadith 5656
Anas reported that Allah's Apostle (may peace be upon him) called for water and he was given a vessel and the people began to perform ablution in that and I counted (the persons) and they were between fifty and eighty and I saw water which was spouting from his fingers.