Rain water on running on roads, paak/na-paak?
Answer:
(Fatwa: 637/595=L/1429)
It is tahir (pure), yes if it is mixed with the water of drains and its clour, smell and taste changes then it will be regarded as najis (impure).
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband