[] 1 = Piped (tap) water, in dwelling
[] 2 = Piped (tap) water, on site or in yard
[] 3 = Public tap
[] 4 = Water-carrier/tanker
[] 5 = Borehole/rain-water tank/well
[] 6 = Dam/river/stream/spring
[] 7 = Other (e.g. from shops, hospitals, schools. etc.)