Sunnah.com reference : Book 4, Hadith 4English translation : Book 4, Hadith 626Arabic reference : Book 4, Hadith 601
'Amro bin Shu'aib narrated on the authority of his father, who reported on the authority of his grandfather (RAA) that the Messenger of Allah (ﷺ) said:
“The Zakah of the Muslims should be collected by their water trough.” Related by Ahmad.
وَعَنْ عَمْرِو بْنِ شُعَيْبٍ, عَنْ أَبِيهِ, عَنْ جَدِّهِ قَالَ: قَالَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-{ تُؤْخَذُ صَدَقَاتُ اَلْمُسْلِمِينَ عَلَى مِيَاهِهِمْ }  رَوَاهُ أَحْمَد ُ  1‏ .‏‏1 ‏- حسن.‏ رواه أحمد ( 6730 )‏.‏