The city of Cincinnati, Ohio has been treating water for over 200 years. The modern day treating process involves adding a coagulant which helps particles bind together which takes care of 90% - 95% of whatever is in the water (eg. clay, wood, bacteria etc.). Water is than pushed through sand which removes whatever particulate is left over, making the water look pristine. Traditionally, sand was enough of a counter measure because chemicals were not being dumped into water supplies, but in moder...
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