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Metropolitan Water Reclamation District of Greater Chicago
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What We Do
Protecting Water Quality
Wastewater Treatment
What happens at a water reclamation plant?
Fish Species in the Chicago Area Waterway System
Argonne partners with MWRD to study Chicago River microbe population
Nutrient Reduction Research
PFAS
Reducing Flooding
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Centennial Fountain
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You Can Help Prevent Flooding and Protect Water Quality
Combined Sewer Overflow Notification
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Operation and Maintenance Manual for Separate Sanitary Sewer Systems, MWRD, 1989
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2022 NPDES Permits Consent Decree Annual Report
2023-03-29
Stickney Organic Compounds 2023-2033
2025-04-30
O'Brien Organic Compounds 2023-2033
2025-04-30
Lemont Organic Compounds 2023-2033
2025-04-30
Kirie Organic Compounds 2023-2033
2025-04-30
Hanover Park Organic Compounds 2023-2033
2025-04-30
Egan Organic Compounds 2023-2033
2025-04-30
Calumet Organic Compounds 2023 - 2033
2025-04-30
Biosolids Metals 2022 - March 2023 Revised
2023-03-23
2022 Waterway Ambient Water Quality
2023-03-16
2-8-23 Civil Service Board Meeting Minutes
2023-03-15
Report No. 23-09 Thornton Composite Reservoir Groundwater Monitoring Report Fourth Quarter 2022
2023-03-14
Phosphorus Discharge Optimization Plan Annual Progress Report - Kirie WRP
2023-03-14
Biosolids Metals 2022 - March 2023
2023-03-09
Combined 3-4-5 - 2022 Consent Decree
2023-03-09
GI Design Retention Capacity Accomplishments through 2022 - 2022 Consent Decree
2023-03-09
Rain Barrel Install Storyboard - 2022 Consent Decree
2023-03-09
Rain Barrel Instructions - 2022 Consent Decree
2023-03-09
Green Infrastructure Program Plan - 2022 Consent Decree
2023-03-09
Addison Creek Debris Boom Photo - 2022 Consent Decree
2023-03-09
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