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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
Water Reuse
Reducing Flooding
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Chicago Area Waterway System Operations
Lockport Powerhouse
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Centennial Fountain
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LeMoyne St & Maypole Ave Underground Storage Projects
Robbins Stormwater Park and Midlothian Creek Restoration Project
Blue Island Public Library Green Roof
Addison Creek Reservoir and Channel Improvements
Harvey Central Park Stormwater Detention Basin
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You Can Help Prevent Flooding and Protect Water Quality
Combined Sewer Overflow Notification
Flush With Care
Rain Barrels
Understanding Your Sewer
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Save the Monarchs
Go Easy on the Salt
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7 Easy Steps to Doing Business
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Operation and Maintenance Manual for Separate Sanitary Sewer Systems, MWRD, 1989
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Petition for Variance WMO-VP-17-01
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Fillable RD-112 Form Revised 10-8-2026
2026-10-08
Pre-Bid Meeting - 23-890-1S - Registration.xlsx
Report No. 26-17 Calumet East and West Solids Management Areas Monitoring Report for First Quarter 2026
Report No. 26-16 Harlem Avenue Solids Management Area Monitoring Report for First Quarter 2026
Report No. 26-15 Hanover Park Water Reclamation Plant Fischer Farm Monitoring Report for First Quarter 2026 Special Condition 6
Report No. 26-14 Hanover Park Water Reclamation Plant Fischer Farm Monitoring Report for First Quarter 2026 Special Condition 5
Report No. 26-13 Hanover Park Water Reclamation Plant Fischer Farm Monitoring Report for First Quarter 2026 Special Condition 4
Report No. 26-12 Hanover Park Water Reclamation Plant Fischer Farm Monitoring Report For First Quarter 2026 Special Condition 2
Report No. 26-11 Thornton Composite Reservoir Groundwater Monitoring Report for Fourth Quarter 2025
2026-10-02
Report No. 26-10 Lawndale Avenue Solids Management Area Monitoring Report for Fourth Quarter 2025
2026-10-02
Report No. 26-09 Calumet East and West Monitoring Report Q4 2025
2026-10-01
Report No. 26-07 Harlem Avenue Solids Management Area Monitoring Report for Fourth Quarter 2025
2026-10-01
List of LCIUs and TXEs October 2026
2026-10-01
List of SIUs October 2026
2026-10-01
Report 26-06 Hanover Park WRP Fischer Farm Monitoring Report for Fourth Quarter 2025 Special Condition 6
2026-10-01
26-624-11 Registration Report
2026-09-30
10-21-26 Civil Service Board Agenda
2026-09-30
Report No. 26-08 Annual Biosolids Management Report for 2025
2026-09-30
260930
2026-09-30
Report No. 26-05 Hanover Park Water Reclamation Plant Fischer Farm Monitoring Report for Fourth Quarter 2025: Special Condition 5
2026-09-30
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