US Army Corps of Engineers
Chicago District Website Website

Chicago District Offices

These are the office locations within the Chicago District. See below for mailing address and phone numbers.


Chicago District Headquarters

U.S. Army Corps of Engineers
Chicago District
231 S. LaSalle St., Suite 1500
Chicago, IL  60604
(312) 846-5330

Indiana

Calumet Area Office
906 N. Griffith Blvd
Griffith, IN  46319
(219) 923-1763
 
Indiana Harbor Office
3500 Indianapolis Blvd
East Chicago, IN  46319
(708) 467-0380
 
J. Edward Roush Lake
735 N. Warren Road
Huntington, IN 46750
(260) 356-8648
 
Mississinewa Lake
5613 E. Mississinewa Dam Road
Peru, IN 46970
(765) 473-5946
 
Salamonie Lake
6420 E. Salamonie Dam Road
Lagro, IN 46941
(260) 782-2358

Illinois

Chicago Harbor Lock House
108 North Streetor Drive
Chicago, IL 60611
(312) 787-4795
 
Monitoring VHF marine channels: 14 & 16
Mile 327 on the Illinois Waterway, Chicago River at Lake Michigan
 
Chicago Sanitary and Ship Canal Electric Dispersal Barrier
790 E. Old Romeo Road
Romeoville, IL
(312) 375-8418
 
Northern Area Office
620 Barry Rd, Bldg. 158
Great Lakes, IL  60088
(847) 688-4431
 
Lockport Lock & Dam
2502 Channel Drive
Lockport, IL 60441
(815) 838-1309
 
TJ O'Brien Lock & Dam
*Delivery address for FedEx and UPS
1831 E. 130th ST
Chicago, IL 60633
 
TJ O'Brien Lock & Dam
*Business address for USPS
134th & Calumet River
Chicago, IL 60633

Wisconsin

Kewaunee Operations Office
124 N. Main St.
Kewaunee, WI 54216
(920) 388-3720
 
Appleton Area Office
2619 East Capitol Drive
Appleton, WI 54911
(920) 380-7101