Purity: Purity of Dripping Water When Washing Under Tap Connected to Kurr

Practical Laws of Islam as per the teachings of Ayatullah Sistani

Ruling 19

If an impure object is washed under a tap that is connected to kurr water, the water that drips from the object is pure (ṭāhir) if it is connected to kurr water and has not acquired the smell, colour, or taste of the impurity and does not contain an intrinsic impurity.

-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)