About Us

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The Illinois General Assembly was the first state legislature in the nation to adopt a comprehensive Environmental Protection Act. It was signed into law by Governor Richard Ogilvie and became effective on July 1, 1970. As a part of that act, the Illinois Environmental Protection Agency was created.

The mission of the Illinois EPA is to safeguard environmental quality, consistent with the social and economic needs of the State, so as to protect health, welfare, property and the quality of life.

Illinois EPA works to safeguard the state’s natural resources from pollution to provide a healthy environment for its citizens. By partnering with businesses, local governments and citizens, Illinois EPA is dedicated to continued protection of the air we breathe and our water and land resources.

Additional information about the Agency is available in the sidebar.