Madison County Mines
NPL SiteFredericktown, MO
According to the EPA Superfund Enterprise Management System, Madison County Mines in Fredericktown, MO is listed with NPL status NPL Site. Its Hazard Ranking System (HRS) score is 58.41. The public extract catalogs 36 contaminant records for this site. NPL listing is a cleanup-authority designation, not a measured health-risk score.
Superfund National Priorities List inclusion (status and HRS score shown above) is the EPA's formal designation that a contaminated site qualifies for long-term federal cleanup authority under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). A federal-facility classification means the site is owned or operated by a federal agency, which routes cleanup responsibility differently than a privately owned site.
"Construction Complete" (status shown above) is an EPA milestone marking that the physical remedy work is finished, not that the site has exited EPA oversight; long-term monitoring can continue afterward. Deletion from the NPL is a separate, later step the EPA takes only once it determines every planned response action is finished.
NPL listing is a cleanup-authority designation in the EPA record, not a quantitative health-risk score. HRS scores of 28.50 or above qualify a site for the NPL under the EPA screening model (toxicity, pathways, waste quantity, and affected population factors). For current site conditions and official community notices, see the EPA Regional Superfund profile and the Missouri environmental agency.
What is the cleanup status of this Superfund site?
Contaminants
| Contaminant | Media |
|---|---|
| ALUMINUM | Groundwater |
| ARSENIC | Groundwater |
| ARSENIC | Sediment |
| ARSENIC | Soil |
| ARSENIC | Solid Waste |
| ARSENIC | Surface Water |
| CADMIUM | Sediment |
| CADMIUM | Solid Waste |
| COBALT | Groundwater |
| COBALT | Sediment |
| COBALT | Soil |
| COBALT | Solid Waste |
| COBALT | Surface Water |
| COPPER | Groundwater |
| COPPER | Sediment |
| COPPER | Soil |
| COPPER | Solid Waste |
| COPPER | Surface Water |
| IRON | Groundwater |
| LEAD | Groundwater |
| LEAD | Sediment |
| LEAD | Soil |
| LEAD | Solid Waste |
| LEAD | Surface Water |
| MANGANESE | Groundwater |
| MANGANESE | Sediment |
| MANGANESE | Soil |
| MANGANESE | Solid Waste |
| MANGANESE | Surface Water |
| NICKEL | Groundwater |
| NICKEL | Sediment |
| NICKEL | Soil |
| NICKEL | Solid Waste |
| NICKEL | Surface Water |
| VANADIUM | Groundwater |
| ZINC | Groundwater |
Location
Other Superfund Sites in Missouri
| Site Name | Status | HRS Score |
|---|---|---|
| Annapolis Lead Mine | Deleted NPL Site | 56.67 |
| Armour Road | NPL Site | 50.00 |
| Bee Cee Manufacturing Co. | NPL Site | 28.59 |
| Big River Mine Tailings/St. Joe Minerals Corp. | NPL Site | 84.91 |
| Compass Plaza Well TCE | NPL Site | 50.00 |
| Conservation Chemical Co. | NPL Site | 29.85 |
| Ellisville Site | NPL Site | 0.00 |
| Fulbright Landfill | NPL Site | 40.60 |
| Kem-Pest Laboratories | Deleted NPL Site | 33.89 |
| Lake City Army Ammunition Plant (Northwest Lagoon) | NPL Site | 33.62 |
How does this site's HRS score compare in Missouri?
Of the 39 Missouri Superfund sites with a scored Hazard Ranking System (HRS) evaluation, Madison County Mines ranks #6 by score (58.41).
Either side of it: Southwest Jefferson County Mining (70.71), Weldon Spring Quarry/Plant/Pits (USDOE/Army) (58.60), Annapolis Lead Mine (56.67), Armour Road (50.00)
Frequently Asked Questions
What is the Madison County Mines Superfund site? ▼
What does NPL listing mean for Madison County Mines? ▼
What is the HRS score for Madison County Mines? ▼
What contaminants are at the Madison County Mines site? ▼
What is the cleanup status of Madison County Mines? ▼
NPL listing is a cleanup-authority designation in the EPA record, not a quantitative health-risk score. See Superfund Sites Explained for how the National Priorities List, Hazard Ranking System, and cleanup phases work.
Read our methodology - how this data is sourced, computed, and verified.