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There are wastewater treatment plants in every major city designed to filter out some of the chemicals and drugs that end up going down our drains, but there’s another way this kind of treatment takes place.
 By Boise State Public Radio
By Boise State Public Radio4.5
102102 ratings
There are wastewater treatment plants in every major city designed to filter out some of the chemicals and drugs that end up going down our drains, but there’s another way this kind of treatment takes place.

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