The MWRD is the regional agency responsible for treating wastewater and managing stormwater within Cook County. We consider odor incidents a top priority, and staff will investigate your issue within 24 hours. If the origin of the odor is within our system, MWRD staff will work to find a resolution to your issue. Otherwise, you will be informed to notify your municipality for a resolution.

Please note: The MWRD is not liable for any damages related to the use of the odor reporting system.

Thank you again for taking the time to notify us of your concerns. The information you provided is appreciated, and we will be contacting you.

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