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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
Chicago Area Waterway System (CAWS)
Chicago Area Waterway System Operations
Lockport Powerhouse
Sidestream Elevated Pool Aeration (SEPA) Stations
Centennial Fountain
Stormwater Management
Program Mission and Achievements
History
Projects
Addison Creek Reservoir and Channel Improvements
Golf Mill Stormwater Park
La Grange Park
Mount Prospect Stormwater Projects
Robbins Stormwater Park and Midlothian Creek Restoration Project
UIC Green Infrastructure Project
Harvey Central Park Stormwater Detention Basin
Watershed Planning Councils
WPC Meeting Calendar
Stormwater Partnerships
Stormwater Partnership Program
Green Infrastructure Partnership Program
Conceptual Projects
Voluntary Flood-Prone Property Acquisition Program
Reference Documents
Green Infrastructure
Space To Grow
Stream Maintenance
Stormwater Plans and Reports
Stormwater Planning
Watersheds
Cal-Sag Channel
Lower Des Plaines River
North Branch of the Chicago River
Poplar Creek
Little Calumet River
Upper Salt Creek
Environmental Justice
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McCook Reservoir Live Stream
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Previous Annual Budgets by Year
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List of Careers at the MWRD
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Document Finder
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Chicago Area Waterways Water Quality Monitoring
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Atlases
GIS and Map Data
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
Freedom of Information Act (FOIA)
What to do During Flooding
Overflow Action
Report Waterway Blockages, Odors or Water Pollution
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K–12 Learning
Where Does It Go?
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Doing Business
Procurement and Materials Management
A How to Video on Submitting a Responsive Bid Response/Proposal Response
Selling to the MWRD
How the MWRD Procures Goods and Services
Types of Goods and Services the District Typically Purchases
7 Easy Steps to Doing Business
The Three Vendor Registrations Required by the MWRD
Frequently Asked Questions
Bid Opening Live Stream
Engineering Consultant Resume Submittal Form
Procurement and Materials Management Vision and Values
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Watershed Management Ordinance and Infiltration/Inflow
Watershed Management Ordinance and Technical Guidance Manual
Authorized Municipalities and Multi-County Municipalities
Become a Multi-County Municipality
Become an Authorized Municipality
Resources for Authorized Municipalities
Technical Guidance Manual (TGM)
Appendix C. Standard Details & Notes
Detention and Volume Control Trading
Presentations
WMO Design Calculators
WMO Permit Checklists
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Permit Application Documents
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Infiltration/Inflow Control Program (IICP)
IICP Reporting Forms
IICP Technical Guidance Manual (TGM)
Operation and Maintenance Manual for Separate Sanitary Sewer Systems, MWRD, 1989
IICP Training Workshops
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Pre-Application Meetings
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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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Contact Pretreatment & Cost Recovery
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Kirie Outfall 2021-2030 - July 2025
2025-07-16
Hanover Park Outfall 2021-2030 - July 2025
2025-07-16
Egan Outfall 2021-2030 - July 2025
2025-07-16
Calumet Outfall 2021-2030 - July 2025
2025-07-16
2022 SIU Exemplary List
2023-12-21
Guide to Public Leasing
2023-12-15
Guide to Commercial/Industrial Leasing
2023-12-15
Significant Industrial Users - July 2025
2025-07-16
Large Commercial-Industrial and Tax-Exempt Users - July 2025
2025-07-16
11-22-23 Civil Service Board Meeting Minutes
2023-12-13
Test Map
Harvey Central Park Stormwater Detention Basin Fact Sheet
2023-12-13
2022 SNC List
2023-12-12
12-13-23 Civil Service Board Meeting Agenda
2023-12-06
TARP Status Report 2023
2023-12-31
Bond Fund 438 - FY 2023 Annual Tax Agreement Compliance Report
2023-12-05
2023 RD920
2023-12-05
User Charge Ordinance 2024
2023-12-05
Job Titles Chinese
2023-12-04
Job Titles Polish
2023-12-04
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