Locations of Illinois EPA Offices

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
1574 1st Avenue
Ottawa, IL 61350
(815) 433-7125
412 SW Washington Street
Suite D
Peoria
, IL 61602
(309) 671-3022
500 42nd Street
Rock Island, IL 61201
(309) 794-3598
4302 North Main Street
Rockford, IL 61103
(815) 987-7760