Hadith 74
قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ : " لا يُبَالُ فِي الْمَاءِ الدَّائِمِ الَّذِي لا يَجْرِي، ثُمَّ يُغْتَسَلُ بِهِ "
The Messenger of Allah, peace and blessings be upon him, said: "Do not urinate in standing water, for then you may perform ablution from it."