This Directory was created by the Illinois EPA to provide citizens and businesses with quick and easy access to Illinois EPA personnel, by topic.

The Quick Answer Directory is divided into the following sections:

  • Section 1: Important mailing addresses and phone numbers
  • Section 2: Abbreviations and acronyms used in this Directory
  • Section 3: Environmental topics, key words and corresponding contact information
  • Section 4: Illinois EPA Regional Office contact information, by county
  • Section 5: Internet addresses containing environmental information
  • Section 6: Delegated agencies listing for the Bureau of Land Solid Waste Program
  • Section 7: Vehicle emissions testing hours, testing station location finder and toll-free helpline