It saves lives! With 842,000 people dying from diarrhea alone each year, unsafe water is the single biggest obstacle to the health of communities in the developing world. Small children are especially vulnerable to cholera and diarrheal illnesses, and unsafe water compromises their immune systems as well, making it difficult for them to fight any illness.
16 million people in Pakistan have no choice but to drink dirty water, and rapid urbanization is making accessing safe water even more difficult.