Illinois law
Environmental Laws in Illinois.
Illinois environmental law combines federal regulation with a substantial state body of statutes administered by the Illinois Environmental Protection Agency and adjudicated by the Illinois Pollution Control Board. Core issues include water and air quality, solid and hazardous waste, brownfields, and permitting.
Last verified: 2026-04-17
State law
Key Illinois Statutes
415 ILCS 5/ is Illinois’s core environmental statute, covering water, air, and waste issues and vesting the IEPA and Pollution Control Board with enforcement authority.
State law
Official Sources
Not Legal Advice
This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Illinois.
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