Forms & Documents

The Engineering Department maintains three (3) atlases: TARP and Flood Control, Sewer, and Combined Sewer Area. The MWRD atlases have been deemed exempt from disclosure in accordance with Section 7(1)(k) of the Freedom of Information Act. However, if you’d like to make a request for a specific, narrowed location within the atlas, we will consider release of those records after weighing potential security risks. Requests are made through the Office of Public Affairs, in compliance with the Freedom of Information Act (FOIA). For FOIA procedures and fee schedules, click here.

1. TARP and Flood Control Atlas (31 oversized pages)

The Tunnel and Reservoir Plan (TARP), also referred to as the Deep Tunnel, shows the underground tunnels used to intercept stormwater overflow and convey it to large storage reservoirs. TARP is comprised of four major subsystems: Mainstream, Calumet, Des Plaines and O’Hare (Upper Des Plaines).

Maps in this atlas show the following:

  1. Boundary of MWRD service area

  2. Location and size of MWRD TARP Tunnels

  3. Location of drop shafts, connecting structures and interceptor connections

  4. Location of flood control projects

  5. Location of MWRD channels

  6. Flood control projects location plans

2. Sewer Atlas (31 oversized pages)

In order to collect wastewater from local sewer systems and convey it to the treatment plants, the MWRD has constructed 547 miles of intercepting sewers, including force mains. 

Maps in this atlas show the following:

  1. Boundary of MWRDGC service area

  2. Location and size of MWRDGC plants, and pumping stations

  3. Location, size and depth of MWRDGC sewers

  4. Location of MWRDGC channels

  5. Local sanitary districts

  6. Facility planning areas (service basins)

3. Combined Sewer Area Atlas (31 oversized pages)

The combined sewer system is designed to collect a mixture of rainfall runoff, domestic and industrial wastewater in the same pipe for conveyance to wastewater treatment plants.

Maps in this atlas show the following:

  1. Boundary of MWRDGC service area

  2. Location of MWRDGC combined sewers

 Watershed Management Ordinance (WMO)


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WMO Permit Forms (February 2019)

Minimum Permit Submittal Checklist (184 KB)

Permit Application (549 KB)

Cover (155 KB)

Conditions (56 KB)

Schedule A – Project Information (128 KB)

Schedule B – Sewer Summary (136 KB)

Schedule C – Sewer Connections (59 KB)

Schedule D – Detention & Stormwater Management Facilities - Legacy (409 KB)

Schedule D – Detention & Stormwater Management Facilities - WMO (289 KB)

Schedule E – Lift Station / Force Main (108 KB)

Schedule F – Characteristics of Waste Discharge (262 KB)

Schedule G – Treatment/Pretreatment Facilities (101 KB)

Schedule H – Hazard Areas (Floodplain / Floodway / Riparian Environments) (296 KB)

Schedule J – Affidavit Relative to Compliance with Article 7 (34 KB)

Schedule K - Affidavit of Disclosure of Property Interest (201 KB)

Schedule L – Notice of Requirements for Stormwater Detention (251 KB)

Schedule O – Outfall, Direct Connection, District Owned or Leased Property (72 KB)

Schedule P – Soil Erosion and Sediment Control (166 KB)

Schedule R – Recording and Maintenance (311 KB)

Schedule W – Wetlands, Buffers, and Riparian Environments (293 KB)

Certification and Signature Pages (59 KB)

Request for Final Inspection (RFI) (78 KB)

Schedule L – Release (100 KB)

Schedule R – Release (100 KB)


Other Permit Types (February 2019)

Notification and Request for Inspection (NRI) (161 KB)

Single Family Home - Special Flood Hazard Area (123 KB)

Facilities Connection Authorization (273 KB)

Earthwork/Foundation Limited Permit (139 KB)

Watershed Management Permit Fees (February 2018)

WMO Permit Fee Schedule (65 KB)

Fee Payment Voucher (355 KB)     Policy (85 KB)

See common question about Connection Impact Fees here.

The Metropolitan Water Reclamation District of Greater Chicago's (District) Sewage and Waste Control Ordinance (Ordinance) defines a significant industrial user (SIU) as:

"…any person who: (i) is subject to categorical pretreatment standards, or (ii) discharges greater than 25,000 gallons per day of process wastewater to the sewerage system, excluding water-carried human wastes from sanitary conveniences such as toilets, wash bowls, bathtubs, showers and residential laundries, noncontact cooling water, boiler blowdown water, and uncontaminated storm water, or (iii) discharges process wastewater in excess of five percent or more of the average dry weather hydraulic or organic capacity of the receiving water reclamation facilities, or (iv) is designated by the District as having a reasonable potential for adversely affecting the operations of the water reclamation facilities or for violating any standard or requirement of this Ordinance."

The District has identified 340 SIUs under its jurisdiction. The following SIU list is current as of November 13, 2019.

Significant Industrial Users List

The Metropolitan Water Reclamation District of Greater Chicago's (District) User Charge Ordinance (Ordinance), Section 2, currently defines Large Commercial-Industrial (LCI) Users as:

"Any nongovernmental User engaged in commercial or industrial activities which: 
(1) discharges any wastes exceeding any of the following: a flow of 25,000 gallons per day; a BOD loading of 25 pounds per day; or a suspended solids loading of 35 pounds per day, or 
(2) is designated as a Significant Industrial User."

and Tax-Exempt (TXE) users as:

"A User who pays no ad valorem taxes, or receives substantial credits in paying such taxes, including but not limited to: Users exempt from ad valorem taxes; all federal, state, and local units of government; but excluding Local Government Users as defined [in Section 2 of the Ordinance]."

Based on their classification status, LCI and TXE Users are required to submit a User Charge Annual Certified Statement (RD-925) each year and are also required to submit a User Charge Certified Sampling Analysis Reporting Statement (RD-920) each year as established in the Ordinance.

The District has identified 625 LCI Users and 2963 TXE Users under its jurisdiction. The following list is current as of November 13, 2019.


Large Commercial-Industrial and Tax-Exempt Users


 Reporting Year  Report Due Date Report Form
January 1, 2015 -          December 31, 2015 March 1, 2016 Short Term          Requirements Annual Summary Report
January 1, 2016 -          December 31, 2016
        January 1, 2017 - December 31, 2017
        January 1, 2018 - December 31, 2018
        January 1, 2019 - December 31, 2019
March 1, 2017 - March          1, 2020 Short Term          Requirements Annual Summary Report until the Short Term Requirements are          completed. Once completed, use the Long Term O&M Program Annual Summary          Report Form
January 1, 2020 -          December 31, 2020 March 1, 2021 Long Term O&M Program          Annual Summary Report

IICP Annual Summary Report Submittal Flowchart
    IICP Year 1 Flowchart
    IICP Year 2-5 Flowchart
Short Term Requirements Annual Summary Report and Attachments
    Complete STR Annual Summary Report
Short Term Requirements Annual Summary Report and Attachments
    Certification Form
    Short Term Requirements Annual Summary Report
    Status of High Priority Deficiencies Form
    Capital Improvement Plan
    System Description and Inventory Form
    Condition Assessment Prioritization Form
Long Term Operation & Maintenance Program
    Long Term Operation and Maintenance Program Annual Summary Report
Other Forms

    SSO & BB Internal Summary
    Short Term Requirements Checklist
    Long Term Operation and Maintenance Program Checklists
    Private Sector Program Checklist
Please email the completed IICP Annual Summary Report to If you wish to submit a hardcopy, please address it to:

Ms. Justine Skawski, P.E.
Engineering Department - Local Sewers System Section
Metropolitan Water Reclamation District of Greater Chicago 
111 East Erie Street, 6th Floor 
Chicago, IL 60611-2893

The United States Environmental Protection Agency (USEPA) has implemented a nationwide initiative focused on enhancing public awareness of EPA financial assistance.  Another goal of this initiative is to increase public awareness regarding improvements that municipalities make as a result of the SRF loan programs.  Beginning October 1, 2015, all loan recipients in Illinois are required to make project public notifications.


SRF Image SRF ImageMWRD Seal








The SRF Loan Fund provides low-interest loans to finance qualifying projects. Upon project completion, MWRD bonds are issued at the same low-interest rate. The current interest rate for new loans to the MWRD is 2.0 percent. The MWRD has authorized approximately $2.2 billion of SRF loans since the program's inception. Several projects are currently financed through SRF loans.

The MWRD expects to receive $120.0 million in 2019 and approximately $175.0 million annually from SRF loans for the next several years. The SRF Loan Fund replaced the Federal Construction Grants program from which the MWRD had historically received 55 to 75 percent direct funding for qualifying capital improvements.

The Metropolitan Water Reclamation District of Greater Chicago has received SRF loan funding from the Illinois Environmental Protection Agency Water Pollution Control Program for the following projects in the year indicated. Click on the project title for more information on the project.

SRF Loan No. L172129 -- MWRD Contract No. 17-844-3P Furnish and Install Odor Control System, Calumet, Hanover Park and Kirie Water Reclamation Plants
SRF Loan No. L175517 -- MWRD Contract No. 11-186-3F Addison Creek Reservoir, Bellwood, IL
SRF Loan No. L174708 – MWRD Contract No. 17-134-3MR Odor Control Facilities at Sludge Concentration, Southwest Coarse Screen, Overhead Weir, and Post-Centrifuge Building, Stickney Water Reclamation Plant
SRF Loan No. L172741 – MWRD Contract No. 17-842-3H Modifications to TARP Control Structures and Drop Shafts, CSA and SSA
SRF Loan No. L172130 – MWRD Contract No. 17-140-3P Digester Rehabilitation and Gas Piping Replacement, SWRP

SRF Loan No. L175367 -- MWRD Contract No. 13-106-4F McCook Reservoir Des Plaines Inflow Tunnel, SSA
SRF Loan No. L175539 -- MWRD Contract No. 16-079-3D Rehabilitation of North Branch Pumping Station, NSA

SRF Loan No. L175369 -- MWRD Contract No. 15-124-3P Conversion of Two New GCTs to Primary Sludge Fermenters, SWRP
SRF Loan No. L175460 -- MWRD Contract No. 16-125-4F McCook Reservoir Expanded Stage 2 Slope Stabilization and Retaining Walls

SRF Loan No. L175152 -- MWRD Contract No. 04-132-3D A/B and C/D Service Tunnel Rehabilitation - Phase Two, Stickney WRP
SRF Loan No. L175263 -- MWRD Contract No. 11-239-3S Calumet Intercepting Sewer 19F Rehabilitation, CSA
SRF Loan No. L175305 -- MWRD Contract No. 10-237-3F Streambank Stabilization Project on Oak Lawn Creek
SRF Loan No. L175342 -- MWRD Contract No. 13-106-4F McCook Reservoir Des Plaines Inflow Tunnel, SSA
SRF Loan No. L175355 -- MWRD Contract No. 14-061-3S Glenbrook Sanitary Sewer Rehabilitation, NSA
SRF Loan No. L175366 -- MWRD Contract No. 15-120-3P Conversion of Old GCTs to WASSTRIP Process, SWRP
SRF Loan No. L175368 -- MWRD Contract No. 15-123-3D Safety Railing Around Tanks, Stickney WRP
SRF Loan No. L175371 -- MWRD Contract No. 15-265-3D Safety Railing Around Tanks, Calumet WRP
SRF Loan No. L175372 -- MWRD Contract No. 15-072-3D Safety Railing Around Tanks, O’Brien WRP
SRF Loan No. L174555 -- MWRD Contract No. 04-128-3P Westside Primary Settling Tanks 1-9 and Aerated Grit Facility, Stickney WRP

SRF Loan No. L173062 -- MWRD Contract No. 06-155-3S Salt Creek Intercepting Sewer 2 Rehabilitation, SSA
SRF Loan No. L175223 -- MWRD Contract No. 09-182-3E D799 Switchgear Replacement, Stickney Water Reclamation Plant



The MWRD is authorized to invest in securities as defined by the Public Funds Investment Act (30 ILCS 235). Details of all authorized securities are defined in the MWRD’s Investment Policy.

Becoming an Approved Bank or Broker/Dealer

Banks and broker/dealers must meet the criteria defined in the MWRD’s Investment Policy in order to be approved to conduct business with the MWRD. Please see the following requirements:

Bank Requirements


Certificate of Acknowledgment

Collateral Requirements

Broker/Dealer Requirements


Certificate of Acknowledgment

Approved Banks and Broker/Dealers

Approved Banks

Approved Broker/Dealers