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Indiana Department of Environmental Management

IDEM offices are open Monday through Friday from 8:15 AM to 4:45 PM, except on state holidays.

Indianapolis Offices

IDEM Central Office:

Indiana Department of Environmental Management
Indiana Government Center North
100 North Senate Avenue
Indianapolis, IN 46204-2251

All visitors to Indiana Government Center North should enter through the public entrance on the south side. Visitors must sign in at the reception area of the IDEM floor they are visiting. They will receive a badge that must be worn above the waist and visible. IDEM staff members will escort visitors throughout IDEM office spaces. Parking information is available on the Indiana Department of Administration’s website.

IDEM Shadeland Office:

Indiana Department of Environmental Management
Western Select Building
2525 North Shadeland Avenue
Indianapolis, IN 46219

The IDEM Shadeland Office houses:

  • Office of Air Quality - Air Monitoring Branch
  • Office of Land Quality - Emergency Response Section
  • Office of Water Quality - Watershed Assessment and Planning Branch

Regional Offices

IDEM Central and Regional Offices
IDEM Central and Regional Offices Service Areas Map

IDEM Northern Regional Office

300 North Dr. Martin Luther King Jr. Boulevard, Suite 211
South Bend, IN 46601-1295

IDEM Northwest Regional Office

330 West US Highway 30, Suite F
Valparaiso, IN 46385

IDEM Southeast Regional Office

820 West Sweet Street
Brownstown, IN 47220-9557

IDEM Southwest Regional Office

114 South 7th Street
P.O. Box 128
Petersburg, IN 47567-0128

The IDEM Regional Offices page provides details about regional office programs.

IDEM Press Contacts

IDEM’s Media Relations staff helps reporters and editors track down information, arrange interviews, and provide background information on agency work. To reach the public information officer on call, contact (317) 232-8596 or email

Media Relations Staff:

General IDEM Information

IDEM Interactive Regional Staff and Inspectors Map

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