St. Louis County contains 584 EPA-regulated facilities, 27 of which are currently flagged for significant noncompliance. The county also hosts 4 Superfund sites and 44 TRI chemical reporters. EPA has assessed $5.8M in lifetime penalties and TRI reporters disclosed roughly 80.7k lb of on-site releases. That facility count is well above the Missouri state average of 61 per county.
| Site | City | Status |
|---|---|---|
| Valley Park Tce | Valley Park | Construction complete |
| St Louis Airport Hazelwood Interim Storage Futura Coatings Co | St. Louis County | Cleanup underway |
| Ellisville Site | Ellisville | Ready for anticipated reuse |
| Westlake Landfill | Bridgeton | Remedy selected |