415 ILCS 5/ Environmental Protection Act.
- Title I - General Provisions
- Title II - Air Pollution
- Title III - Water Pollution
- Title IV - Public Water Supplies
- Title IV-A - Water Pollution Control and Public Water Supplies
- Title IX - Variances
- Title V - Land Pollution and Refuse Disposal
- Title VI - Noise
- Title VI-A - Atomic Radiation
- Title VI-B - Toxic Chemical Reporting
- Title VI-C - Oil Spill Response
- Title VI-D - Right-to-Know
- Title VII - Regulations
- Title VIII - Enforcement
- Title X - Permits
- Title XI - Judicial Review
- Title XII - Penalties
- Title XIII - Miscellaneous Provisions
- Title XIV - Used Tires
- Title XV - Potentially Infectious Medical Waste
- Title XVI - Petroleum Underground Storage Tanks
- Title XVII - Site Remediation Program