Missouri hosts 33 Superfund cleanup sites, 562 facilities reporting to EPA's Toxic Release Inventory, and 604 facilities currently in significant noncompliance with federal environmental laws. EPA has assessed $116.0M in lifetime penalties across these facilities, and TRI reporters released roughly 44.1M pounds of regulated chemicals on-site in the latest reporting year. The single largest on-site releaser is Doe Run Company-Buick Mine & Mill in Boss, reporting 9.2M lb to EPA.
| Site | City | Status |
|---|---|---|
| Armour Road | North Kansas City | Listed on NPL |
| Bee Cee Manufacturing Co | Malden | Ready for anticipated reuse |
| Big River Mine Tailings St Joe Minerals Corp | Desloge | Cleanup underway |
| Compass Plaza Well Tce | Rogersville | Listed on NPL |
| Conservation Chemical Co | Kansas City | Ready for anticipated reuse |
| Ellisville Site | Ellisville | Ready for anticipated reuse |
| Fulbright Landfill | Springfield | Ready for anticipated reuse |
| Lake City Army Ammunition Plant Northwest Lagoon | Independence | Cleanup underway |
| Lee Chemical | Liberty | Construction complete |
| Madison County Mines | Fredericktown | Cleanup underway |
| Minker Stout Romaine Creek | Imperial | Ready for anticipated reuse |
| Missouri Electric Works | Cape Girardeau | Ready for anticipated reuse |
| Newton County Mine Tailings | Newton County | Cleanup underway |
| Newton County Wells | Joplin | Ready for anticipated reuse |
| Oak Grove Village Well | Sullivan | Cleanup underway |
| Oronogo Duenweg Mining Belt | Joplin | Cleanup underway |
| Pools Prairie | Neosho | Listed on NPL |
| Quality Plating | Sikeston | Ready for anticipated reuse |
| Riverfront | New Haven | Cleanup underway |
| Solid State Circuits Inc | Republic | Construction complete |
| Southwest Jefferson County Mining | Jefferson County | Cleanup underway |
| Sporlan Valve Plant 1 | Washington | Listed on NPL |
| St Louis Airport Hazelwood Interim Storage Futura Coatings Co | St. Louis County | Cleanup underway |
| Syntex Facility | Verona | Ready for anticipated reuse |
| Valley Park Tce | Valley Park | Construction complete |
| Vienna Wells | Vienna | Cleanup underway |
| Washington County Lead District Furnace Creek | Caledonia | Cleanup underway |
| Washington County Lead District Old Mines | Old Mines | Cleanup underway |
| Washington County Lead District Potosi | Potosi | Cleanup underway |
| Washington County Lead District Richwoods | Richwoods | Cleanup underway |
| Weldon Spring Former Army Ordnance Works | St. Charles | Ready for anticipated reuse |
| Weldon Spring Quarry Plant Pits Usdoe Army | St. Charles | Ready for anticipated reuse |
| Westlake Landfill | Bridgeton | Remedy selected |