Welcome to IERG

The Illinois Environmental Regulatory Group is the premier business association in the State of Illinois on environmental matters. It is IERG’s mission to:

  • Advocate Members’ interests before governmental agencies, primarily the Illinois Environmental Protection Agency and the Illinois Pollution Control Board
  • Negotiate environmental policies, laws, and regulations, as they are promulgated, administered, and implemented by the State of Illinois  
  • Provide accurate and technically sound input early in the regulatory development and legislative processes to achieve favorable outcomes for Illinois’ business community.