David St. Pierre takes “waste” out of the term “wastewater,” leading by example as executive director of the Metropolitan Water Reclamation District of Greater Chicago (MWRD). Here he shares MWRD’s initiatives and his vision of the future.

Source:: http://www.wateronline.com/doc/the-next-stage-of-treatment-water-resource-recovery-0001?atc~c=771+s=773+r=001+l=a