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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 on behalf of Members before governmental agencies, primarily the Illinois Environmental Protection Agency and the Illinois Pollution Control Board as they promulgate, administer, and implement environmental policies, laws, and regulations;

Serve as the voice of business in seeking economically reasonable solutions to Illinois’ environmental challenges; and

Provide accurate and technically sound input early in the regulatory development and legislative processes to promote favorable outcomes for Illinois’ business community.