Governing Law and Regulations
U.S. Environmental Protection Agency (EPA) Region 5
Illinois Environmental Protection Agency (IEPA) Bureau of Water
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Illinois has pretreatment regulations that mirror the federal requirements. While IEPA is currently authorized by EPA to administer the National Pollution Discharge Elimination System (NPDES) program, it does not have authority to oversee the pretreatment portion in Illinois.
• Administration and enforcement. EPA Region 5 has primary responsibility for administering the Illinois pretreatment program.
ILLINOIS PRETREATMENT PROGRAM
35 IAC 310.101 to 310.930
Illinois has adopted federal general and categorical pretreatment standards applicable to existing and new nondomestic sources that discharge to publicly owned treatment works (POTW). Industrial users must follow pretreatment standards and obtain a pretreatment permit from EPA Region 5. Once a POTW receives approval to administer the program, that POTW may issue authorizations to discharge, which are similar to permits.
A POTW may implement a pretreatment market system that is consistent with 415 ILCS 5/13.4(b). This includes consultation and approval of the program with EPA Region 5 where appropriate. The POTW must then, at a minimum:
- Operate the program pursuant to state and federal regulations.
- Not be ...