Locations

The Illinois EPA is headquartered in Springfield, Illinois with regional and field offices throughout the State. The Agency's Director also maintains an office at the James R. Thompson Center in Chicago, Illinois. The following is a listing of the Illinois EPA offices.

IEPA Headquarters Montage

Headquarters

1021 North Grand Avenue East

P.O. Box 19276

Springfield, Illinois 62794-9276

(217) 782-3397

IEPA Headquarters Location Thumbnail

Click the image above for a map showing the location of the headquarters building.
IEPA Headquarters Diagram Thumbnail

Click the image above for a diagram showing entrances and visitor parking.

Laboratory

825 North Rutledge

Springfield, IL 62702

(217) 782-9780

Field Offices

2125 South First Street

Champaign, IL 61820

(217) 278-5800
2009 Mall Street

Collinsville, IL 62234

(618) 346-5120
595 South State

Elgin, IL 60123

(847) 608-3131
9511 W. Harrison Street

DesPlaines, IL 60016

(847) 294-4000
P.O. Box 767

Elk Grove, IL 60009

(847) 758-3412
2309 W. Main Street

Marion, IL 62959

(618) 993-7200
412 SW Washington Street

Suite D

Peoria
, IL 61602

(309) 671-3022
4302 North Main Street

Rockford, IL 61103

(815) 987-7760