Can rainwater be used directly for drinking?
Posted by Jason Ramsdale on 3 August 2016 at 9:01 am
Rainwater isn't as clean as you might think. As it falls it can pick up particulates, pollutants and even bacteria from the air. Not to mention that particulates from pollution are likely to settle on your roof and be picked up by rainwater as you collect it. However, the water collected in rainwater harvesting systems is still great for watering your gardens and flushing toilets, as well as washing clothes and cars. It is possible to make rainwater potable through reverse osmosis or UV filtration..
This is one way it could be done:
Image: Larry Ewing
More information about rain water harvesting on YouGen.
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