Sunan Ibn Majah, Book 1, Hadith 324 (In-Book) ⓘ
It was narrated from Hudhaifah that: The Messenger of Allah came to the garbage dump of some people and he urinated on it standing up.
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا شَرِيكٌ، وَهُشَيْمٌ، وَوَكِيعٌ، عَنِ الأَعْمَشِ، عَنْ أَبِي وَائِلٍ، عَنْ حُذَيْفَةَ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ أَتَى سُبَاطَةَ قَوْمٍ فَبَالَ عَلَيْهَا قَائِمًا .
also referenced under: Hadith 305 (Reference) & Volume 1, Book 1, Hadith 305 (DarusSalam)