For Project Reviews or other information requests in the blue counties, please contact the:

Rock Island Field Office
1511 47th Ave.
Moline, IL 61265
309-757-5800

For Project Reviews or other information requests in the pink counties, please contact the:

Chicago Field Office
1250 South Grove Ave., Suite 103
Barrington, IL 60010-5010
309-757-5800

For Project Reviews or other information requests in the green counties, please contact the:

Marion Sub-Office
8588 Route 148
Moline, IL 62959-4555
618-997-3344