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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
Program Mission and Achievements
History
Projects
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
Watershed Planning Councils
WPC Meeting Calendar
Stormwater Partnerships
Stormwater Partnership Program
Green Infrastructure Partnership Program
Technical Assistance
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
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Tunnel and Reservoir Plan (TARP) Levels
McCook Reservoir Live Stream
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Previous Annual Budgets by Year
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Biosolids
Biosolids Newsletters
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Career Opportunities
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Employee Benefits Summary
List of Careers at the MWRD
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Differences between the Metropolitan Water Reclamation District of Greater Chicago and the Chicago Department of Water Management
Strategic Plan
Financial Reports
Climate Action Plan
Documents and Data
Document Finder
Tunnel and Reservoir Plan Data and Reports
Chicago Area Waterways Water Quality Monitoring
Water Reclamation Plant Data and Reports
Biosolids Monitoring Reports
Permits for MWRD Facilities
Nutrient reports
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
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Report Waterway Blockages, Odors or Water Pollution
Education
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K–12 Learning
Where Does It Go?
Publications
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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
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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
Watershed Management Ordinance (WMO) Frequently Asked Questions (FAQs)
Permit Application Documents
Permit Inquiries
Permit Determinations
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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
Geographic Information System Assistance
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
WMO Permit Application Submittal System (WPASS)
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Contact Pretreatment and Cost Recovery
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Cal-Sag Channel WPC Agenda April 2026
2026-04-03
2025 Annual Consent Decree
2026-03-30
Lower Des Plaines River WPC Meeting Agenda April 2026
2026-03-30
Eligible Underwriters List - 2026
2026-03-27
Collection System Manual - 2026
2026-03-27
4-15-26 Civil Service Board Agenda
2026-04-08
AWQM Quality Assurance Project Plan
2026-03-24
Phosphorus Discharge Optimization Plan Annual Progress Report - Kirie WRP - 2026
2026-03-24
2024 SNC List
2026-03-19
Biosolids Windy City Newsletter - Spring 2026
2026-03-31
North Branch WPC Meeting Agenda April 2026
2026-03-19
Poplar Creek Upper Salt Creek WPC Meeting Agenda April 2026
2026-03-19
2-11-26 Civil Service Board Meeting Minutes
2026-03-18
2026 RD-920
2026-03-18
GI Design Retention Capacity Accomplishments through 2025 - 2025 Consent Decree
2026-03-16
Rain Barrel Install Storyboard - 2025 Consent Decree
2026-03-16
Rain Barrel Instructions - 2025 Consent Decree
2026-03-16
Green Infrastructure Program Plan - 2025 Consent Decree
2026-03-16
Addison Creek Debris Boom Photo - 2025 Consent Decree
2026-03-16
Executed Easement Agreement No. 3 - 2025 Consent Decree
2026-03-16
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