In the past I’ve heard some Water Reclamation District commissioners say they’d love to get the Chicago River and canal system cleaned up, except the costs appear formidable–in the hundreds of millions of dollars, at least, for new technology to disinfect effluent from the wastewater treatment process. Now the agency is officially taking a firmer stand against new standards proposed by the Illinois EPA, as reported in this terrific in-depth piece by Northwestern grad student Lea Radick.