Which dam supplies drinking water to Islamabad?

Which dam supplies drinking water to Islamabad?
A: Tarbela dam
B: Khanpur dam
C: Sabakzai dam
D: Mirani dam

Khanpur Dam; on the Haro River; supplies drinking water to Islamabad and Rawalpindi. Its role in water management makes it a frequent exam topic in Pakistan Studies. Students should know its function for competitive tests. Update (as of 2025-09-02)