“Its water was flowing”—he is mistaken. There was no flowing spring in Medina during the lifetime of the Messenger of Allah, peace and blessings be upon him. Rather, al-Zarqā’ and the springs of Hamzah came into existence after his death. And Allah knows best.

He—may Allah Most High have mercy on him—was asked:

About a well into which a dog, pig, camel, cow, or sheep fell and then died, its hair, skin, and flesh having decomposed, while the water exceeds two qullahs: what should be done with it?

He answered:

Praise be to Allah. Any well into which one of the aforementioned animals, or anything else, has fallen remains pure if the impurity has not changed the water.

If the impure matter itself remains, it should be drawn out and discarded; the rest of the water is pure. If dog or pig hair remains in the water, this does not affect its purity according to the more correct of the scholars’ two opinions.

Such hair is pure according to one of their opinions, which is also one of the two positions reported from Ahmad. This opinion is more clearly supported by the evidence: all hair, feathers, fur, and wool are pure, whether on the skin of an animal whose meat may be eaten or one whose meat may not be eaten, and whether the animal is alive or dead. This is