Many water treatment technologies for removing
contaminants from drinking water exist, and
most have been extensively used and/or
tested in developing countries.

The following table provides a comparison overview on a broad range of appropriate point-of-use (POU) technologies. The above links provide a much greater depth of information specific to each POU solution.

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Please note: all of these systems have been shown to dramatically improve the microbiological quality of water. Keeping in mind the fact that water-borne diseases can be spread through multiple pathways, focusing on the provision of safe drinking water alone while ignoring hygiene and sanitation issues is a strategy destined to fail.