A portable water purification system comprises a micro particle filtration
device and a portable batch treatment tank, receivable together within a
portable container along with an intake and hoses for interconnection
therebetween. A support structure is arranged to suspend plural filter
housings of the micro particle filtration device therefrom in use, while
being collapsible for storage in the container also. The batch treatment
tank is expandable from a stored position within the container to a
usable position plural times a volume of the container. A pump for
pumping water from the intake, through the filtration device and into the
batch treatment tank is provided on a portable frame separate from the
container. The system is thus arranged to both mechanically remove cysts
in the filtration device and chemically treat batches of water in the
batch treatment tank for an elapsed period of time for purifying water
from a variety of sources while remaining manually portable.