Pipe not going to do it, even wells are tricky in some areas (you can pollute the entire region's water source from one well.) Delivering by jugs doesn't scale

Pipe not going to do it, even wells are tricky in some areas (you can pollute the entire region's water source from one well.) Delivering by jugs doesn't scale and pipes cost a fortune...maybe a central water source every xxx people in urban areas and one in a village in other places, to start?