Pollution in Cook County, Illinois

Cook County contains 1,255 EPA-regulated facilities, 50 of which are currently flagged for significant noncompliance. The county also hosts 4 Superfund sites and 319 TRI chemical reporters. EPA has assessed $44.3M in lifetime penalties and TRI reporters disclosed roughly 2.2M lb of on-site releases. That facility count is well above the Illinois state average of 61 per county.