Chapter on Purifying Water From Impurities

The Shaykh (Al-Mufid), may Allah سبحانه وتعالى support him, narrated to me from Abu Al-Qasim Ja'far ibn Muhammad, from Muhammad ibn Ya'qub, from Ahmad ibn Idris, from Muhammad ibn Abd al-Jabbar, from Safwan, from Ibn Muskan, from Al-Halabi, from Abu Abdullah عليه السلام. Imam عليه السلام said: "If something small falls into the well and dies in it, then draw out a number of buckets from it." Imam عليه السلام said: "If a person in a state of major ritual impurity (junub) falls into it, then draw out seven buckets from it. But if a camel dies in it, or wine is poured into it, then all the water must be drawn out."