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Metropolitan Water Reclamation District of Greater Chicago

The Pretreatment and Cost Recovery (PTCR) group in the Monitoring and Research Department monitors and regulates remediation sites within its service areas that discharge to the MWRD's collection systems to ensure compliance with environmental regulations detailed in its Environmental Remediation Wastewater Ordinance. Sites discharging remediation wastewater must have an approved Special Discharge Authorization permit, issued by the MWRD.