Water; Its Purity and Impurity
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 2
وَ سُئِلَ اَلصَّادِقُ عَلَيْهِ اَلسَّلاَمُ عَنِ اَلْمَاءِ اَلسَّاكِنِ تَكُونُ فِيهِ اَلْجِيفَةُ قَالَ «يُتَوَضَّأُ مِنَ اَلْجَانِبِ اَلْآخَرِ وَ لاَ يُتَوَضَّأُ مِنْ جَانِبِ اَلْجِيفَةِ.
Imam Jafar ibn Muhammad Al-Sadiq عليه السلام was asked about stagnant water that contains a dead animal. Imam عليه السلام said: "Perform ablution from the other side and not from the side where the dead animal is".
- Ṣaḥīḥ al-Faqīh