Illinois NPDES Permits
Pretreatment: EPA and authorized NPDES state pretreatment programs approve local municipalities to perform permitting, administrative and enforcement tasks for discharges into the municipalities. This spreadsheet explains the limits for Illinois. Region 5 Pretreatment Limit Spreadsheet Illinois/Indiana(101 K, Nov. 2018) Information about the National Pretreatment Program.
For state-issued permits, visit Illinois EPA Wastewater Permit Programs.Exit
Final and draft permits
In Illinois, EPA issues all NPDES permits on tribal lands. The table below contains all final (i.e. active) and draft (i.e. proposed) NPDES permits issued by EPA within Illinois. It includes permits for individual facilities, general permits, and stormwater permits. Click on the facility/permit name to view the permit and supporting documents.
| Location | Facility or Permit Name | Permit Number | Permit Type | Permit Status | Effective Date |
|---|---|---|---|---|---|
| Various | Illinois Surface Discharge Permit | ILG62 | General | Final | 02/10/2014 |