Sanitization seems to be a most elusive and complicated topic in Rainwater Harvesting for the home owner, as well as for the designer or operator. There are no general definitive answers as to what device or treatment is appropriate for all systems. The main question is “When is my water safe to drink?”

Presently, thousands of people die or become gravely ill due to lack of clean water throughout the world. Rainwater is generally a safer potable source than surface water; however it may carry pathogens that could pose a health risk.

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