1. a) The Department maintains two Co-Central Offices to best serve the needs of the citizens of the State of Illinois. These offices are at the locations listed in this subsection.

   1. 1) 525 and 535 West Jefferson Street

      Springfield, IL 62761

   2. 2) 69 West Washington Street

      35^th Floor, Suite 3500

      Chicago, IL 60602-3027

2. b) The Department's Divisions of Vital Records is at the following location:

   925 East Ridgely Avenue

   Springfield, IL 62702-2737

3. c) The Department operates laboratories at the following locations:

   1. 1) Chicago Laboratory

      2121 West Taylor Street

      Chicago, IL 60612

   2. 2) Springfield Laboratory

      825 North Rutledge Street

      Springfield, IL 62702

   3. 3) Carbondale Laboratory

      1155 South Oakland Avenue

      Carbondale, IL 62901

4. d) The Department maintains Regional Offices at the locations listed in this subsection. Each Regional Office is headed by a Regional Health Officer.

   1. 1) Rockford Regional Office

      4302 North Main Street, Suite 101

      Rockford, IL 61103-1209

   2. 2) Peoria Regional Office

      5415 North University Street, Suite 101

      Peoria, IL 61614-4784

   3. 3) Metro East Regional Office

      11 Executive Drive, Suite 10

      Fairview Heights, IL 62208-1357

   4. 4) Marion Regional Office

      2309 West Main Street

      Marion, IL 62959-1195

   5. 5) Champaign Regional Office

      2125 South First Street

      Champaign, IL 61820-7499

   6. 6) Westchester Regional Office

      3 Westbrook Corporate Center, 3^rd Floor

      Westchester, IL 60154-5729

5. e) A map indicating the jurisdictional area of each Regional Office may be found in Appendix C.

(Source: Amended at 49 Ill. Reg. 4626, effective March 25, 2025)