| Introduction (95 KB) | 2 | 5/31/2019 | 
| Article 2. Applicability and General Conditions (540 KB) | 3 | 5/31/2019 | 
| Article 3. Watershed Management Permit Requirements and Submittals (412 KB) | 3 | 5/31/2019 | 
| Article 4. Requirements for Erosion and Sediment Control (405 KB) | 2 | 5/26/2020 | 
| Article 5. Requirements for Stormwater Management (3.1 MB) | 4 | 6/13/2025 | 
| Article 6. Requirements for Flood Protection Areas (2.3 MB) | 1 | 8/1/2015 | 
| Article 7. Requirements for Sewer Construction (1.1 MB) | 2 | 10/13/2021 | 
| Article 8. Infiltration / Inflow Control Program (3.2 MB) | 1 | 8/1/2015 | 
| Article 9. Maintenance (5.8 MB) | 1 | 8/1/2015 | 
| Article 10. Inspections (1.5 MB) | 1 | 8/1/2015 | 
| Article 14. Administration (639 KB) | 2 | 6/28/2019 | 
| Appendix A. Definitions - refer to Appendix A of WMO for current definitions (185 KB) | 3 | 5/16/2019 | 
| Appendix B. Cook County FIRMs (418 KB) | 1 | 8/1/2015 | 
| Appendix C. Standard Details and Notes |   | See Webpage | 
| Appendix D. Sample Completed IICP Report Forms (418 KB) | 1 | 8/1/2015 | 
| Appendix E. Sewer Permit Ordinance and Manual of Procedures (3.6 MB) | 1 | 5/16/2019 |