Divisions and Offices

- Air Quality Division
- Drinking Water and Environmental Health Division
- Environmental Investigation Section
- Environmental Support Division
- Finance Division
- Information Management Division
- Materials Management Division
- Office of Climate and Energy
- Office of the Clean Water Public Advocate
- Office of the Environmental Justice Public Advocate
- Office of the Great Lakes
- Oil, Gas, and Minerals Division
- Remediation and Redevelopment Division
- Water Resources Division