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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
Chicago Area Waterway System (CAWS)
Chicago Area Waterway System Operations
Lockport Powerhouse
Sidestream Elevated Pool Aeration (SEPA) Stations
Centennial Fountain
Stormwater Management
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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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Stormwater Partnership Program
Green Infrastructure Partnership Program
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Voluntary Flood-Prone Property Acquisition Program
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Lower Des Plaines River
North Branch of the Chicago River
Poplar Creek
Little Calumet River
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Community Action
You Can Help Prevent Flooding and Protect Water Quality
Combined Sewer Overflow Notification
Flush With Care
Rain Barrels
Understanding Your Sewer
Native Landscaping
Protect the Pollinators
Trees/Restore the Canopy
Save the Monarchs
Go Easy on the Salt
Medication Disposal
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Where Does It Go?
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A How to Video on Submitting a Responsive Bid Response/Proposal Response
Selling to the MWRD
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Types of Goods and Services the District Typically Purchases
7 Easy Steps to Doing Business
The Three Vendor Registrations Required by the MWRD
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Engineering Consultant Resume Submittal Form
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IICP Reporting Forms
IICP Technical Guidance Manual (TGM)
Operation and Maintenance Manual for Separate Sanitary Sewer Systems, MWRD, 1989
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Petition for Variance WMO-VP-17-01
Petition for Variance WMO-VP-21-01
Petition for Variance WMO-VP-21-02
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MWRD Calendar 2026
2025-12-15
Report No. 23-44 Thornton Composite Reservoir Groundwater Monitoring Report Third Quarter 2023
2023-12-29
Report No. 23-43 Thornton Composite Reservoir Groundwater Monitoring Report Second Quarter 2023
2023-12-29
Report No. 23-45 Calumet East and West Solids Management Area Monitoring Report for Third Quarter 2023
2023-12-29
Report No. 23-46 Harlem Avenue Solids Management Area Monitoring Report for Third Quarter 2023
2023-12-29
Report No. 23-47 Lawndale Avenue Solids Management Area Monitoring Report for Third Quarter 2023
2023-12-29
1-17-24 Civil Service Board Meeting Agenda
2023-12-29
Stickney TARP 2021-2030 - Q2 2026
2026-03-20
Calumet TARP 2021-2030 - Q2 2026
2026-03-20
West Side Raw 2021-2030 - Q2 2026
2026-04-06
Southwest Raw 2021-2030 - Q2 2026
2026-04-06
O'Brien Raw 2021-2030 - Q2 2026
2026-03-20
Lemont Raw 2021-2030 - Q2 2026
2026-03-20
Kirie Raw 2021-2030 - Q2 2026
2026-03-20
Hanover Park Raw 2021-2030 - Q2 2026
2026-03-18
Egan Raw 2021-2030 - Q2 2026
2026-03-18
Calumet Raw 2021-2030 - Q2 2026
2026-03-18
Stickney Outfall 2021-2030 - Q2 2026
2026-03-20
O'Brien Outfall 2021-2030 - Q2 2026
2026-03-20
Lemont Outfall 2021-2030 - Q2 2026
2026-03-20
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