Maxey Flats Nuclear Disposal
NPL SiteHillsboro, KY
According to the EPA Superfund Enterprise Management System, Maxey Flats Nuclear Disposal in Hillsboro, KY is listed with NPL status NPL Site. Its Hazard Ranking System (HRS) score is 31.71. The public extract catalogs 91 contaminant records for this site. EPA marks construction of the cleanup remedy as complete. 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 Kentucky environmental agency.
What is the cleanup status of this Superfund site?
Contaminants
| Contaminant | Media |
|---|---|
| 1,2-DICHLOROETHANE | Buildings/Structures |
| 1,2-DICHLOROETHANE | Groundwater |
| 1,2-DICHLOROETHANE | Leachate |
| 1,2-DICHLOROETHANE | Solid Waste |
| Americium-241 | Buildings/Structures |
| Americium-241 | Groundwater |
| Americium-241 | Leachate |
| Americium-241 | Solid Waste |
| ARSENIC | Buildings/Structures |
| ARSENIC | Groundwater |
| ARSENIC | Leachate |
| ARSENIC | Solid Waste |
| BENZENE | Buildings/Structures |
| BENZENE | Groundwater |
| BENZENE | Leachate |
| BENZENE | Solid Waste |
| BIS(2-ETHYLHEXYL)PHTHALATE | Buildings/Structures |
| BIS(2-ETHYLHEXYL)PHTHALATE | Groundwater |
| BIS(2-ETHYLHEXYL)PHTHALATE | Leachate |
| BIS(2-ETHYLHEXYL)PHTHALATE | Solid Waste |
| CARBON-14 | Buildings/Structures |
| CARBON-14 | Groundwater |
| CARBON-14 | Leachate |
| CARBON-14 | Solid Waste |
| CESIUM-137 | Groundwater |
| CESIUM-137 | Leachate |
| CESIUM-137 | Solid Waste |
| CHLOROBENZENE | Buildings/Structures |
| CHLOROBENZENE | Groundwater |
| CHLOROBENZENE | Leachate |
| CHLOROBENZENE | Solid Waste |
| CHLOROETHENE (VINYL CHLORIDE) | Buildings/Structures |
| CHLOROETHENE (VINYL CHLORIDE) | Groundwater |
| CHLOROETHENE (VINYL CHLORIDE) | Leachate |
| CHLOROETHENE (VINYL CHLORIDE) | Solid Waste |
| CHLOROFORM | Buildings/Structures |
| CHLOROFORM | Groundwater |
| CHLOROFORM | Leachate |
| CHLOROFORM | Solid Waste |
| COBALT-60 | Buildings/Structures |
| COBALT-60 | Groundwater |
| COBALT-60 | Leachate |
| COBALT-60 | Solid Waste |
| IODINE-129 | Buildings/Structures |
| IODINE-129 | Groundwater |
| IODINE-129 | Leachate |
| IODINE-129 | Solid Waste |
| LEAD | Buildings/Structures |
| LEAD | Groundwater |
| LEAD | Leachate |
| LEAD | Solid Waste |
| NICKEL | Buildings/Structures |
| NICKEL | Groundwater |
| NICKEL | Leachate |
| NICKEL | Solid Waste |
| PLUTONIUM-238 | Buildings/Structures |
| PLUTONIUM-238 | Groundwater |
| PLUTONIUM-238 | Leachate |
| PLUTONIUM-238 | Solid Waste |
| PLUTONIUM-239 | Buildings/Structures |
| PLUTONIUM-239 | Groundwater |
| PLUTONIUM-239 | Leachate |
| PLUTONIUM-239 | Solid Waste |
| RADIUM-226 | Buildings/Structures |
| RADIUM-226 | Groundwater |
| RADIUM-226 | Leachate |
| RADIUM-226 | Solid Waste |
| STRONTIUM-90 | Buildings/Structures |
| STRONTIUM-90 | Groundwater |
| STRONTIUM-90 | Leachate |
| STRONTIUM-90 | Solid Waste |
| TECHNETIUM-99 | Buildings/Structures |
| TECHNETIUM-99 | Groundwater |
| TECHNETIUM-99 | Leachate |
| TECHNETIUM-99 | Solid Waste |
| THORIUM-232 | Buildings/Structures |
| THORIUM-232 | Groundwater |
| THORIUM-232 | Leachate |
| THORIUM-232 | Solid Waste |
| TOLUENE | Buildings/Structures |
| TOLUENE | Groundwater |
| TOLUENE | Leachate |
| TOLUENE | Solid Waste |
| TRICHLOROETHENE | Buildings/Structures |
| TRICHLOROETHENE | Groundwater |
| TRICHLOROETHENE | Leachate |
| TRICHLOROETHENE | Solid Waste |
| TRITIUM | Buildings/Structures |
| TRITIUM | Groundwater |
| TRITIUM | Leachate |
| TRITIUM | Solid Waste |
Location
Other Superfund Sites in Kentucky
| Site Name | Status | HRS Score |
|---|---|---|
| A.L. Taylor (Valley of Drums) | Deleted NPL Site | 0.00 |
| Airco | Deleted NPL Site | 33.29 |
| B.F. Goodrich | NPL Site | 33.01 |
| Brantley Landfill | Deleted NPL Site | 52.73 |
| Caldwell Lace Leather Co., Inc. | NPL Site | 34.21 |
| Distler Brickyard | NPL Site | 44.77 |
| Distler Farm | NPL Site | 34.62 |
| Fort Hartford Coal Co. Stone Quarry | Deleted NPL Site | 43.84 |
| General Tire & Rubber Co. (Mayfield Landfill) | Deleted NPL Site | 32.94 |
| Green River Disposal, Inc. | NPL Site | 29.12 |
How does this site's HRS score compare in Kentucky?
Of the 20 Kentucky Superfund sites with a scored Hazard Ranking System (HRS) evaluation, Maxey Flats Nuclear Disposal ranks #18 by score (31.71).
Either side of it: General Tire & Rubber Co. (Mayfield Landfill) (32.94), Smith's Farm (32.69), Green River Disposal, Inc. (29.12), A.L. Taylor (Valley of Drums) (0.00)
Frequently Asked Questions
What is the Maxey Flats Nuclear Disposal Superfund site? ▼
What does NPL listing mean for Maxey Flats Nuclear Disposal? ▼
What is the HRS score for Maxey Flats Nuclear Disposal? ▼
What contaminants are at the Maxey Flats Nuclear Disposal site? ▼
What is the cleanup status of Maxey Flats Nuclear Disposal? ▼
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.