Woodbury Chemical Co.

Deleted NPL Site
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Commerce City, CO

According to the EPA Superfund Enterprise Management System, Woodbury Chemical Co. in Commerce City, CO is listed with NPL status Deleted NPL Site. Its Hazard Ranking System (HRS) score is 44.87. The public extract catalogs 76 contaminant records for this site. EPA marks construction of the cleanup remedy as complete. The site has been deleted from the NPL in the EPA record. NPL listing is a cleanup-authority designation, not a measured health-risk score.

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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 Colorado environmental agency.

What is the cleanup status of this Superfund site?

NPL Status
Deleted NPL Site
Federal Facility
No
Construction Complete
Yes
HRS Score
44.87
Deleted from NPL
Yes

Contaminants

Contaminant Media
1,1,2-TRICHLOROETHANE Groundwater
1,1-DICHLOROETHANE Groundwater
ACETONE Groundwater
ALDRIN Debris
ALDRIN Soil
ALPHA-HEXACHLOROCYCLOHEXANE Debris
ALPHA-HEXACHLOROCYCLOHEXANE Groundwater
ALPHA-HEXACHLOROCYCLOHEXANE Soil
ARSENIC Debris
ARSENIC Soil
BARIUM Debris
BARIUM Groundwater
BARIUM Soil
BETA-HEXACHLOROCYCLOHEXANE Debris
BETA-HEXACHLOROCYCLOHEXANE Groundwater
BETA-HEXACHLOROCYCLOHEXANE Soil
CADMIUM Debris
CADMIUM Groundwater
CADMIUM Soil
CHLORDANE Debris
CHLORDANE Soil
CHLOROFORM Groundwater
CHROMIUM Debris
CHROMIUM Soil
CHRYSENE Debris
CHRYSENE Soil
DELTA-HEXACHLOROCYCLOHEXANE Debris
DELTA-HEXACHLOROCYCLOHEXANE Groundwater
DELTA-HEXACHLOROCYCLOHEXANE Soil
DI-N-OCTYL PHTHALATE Debris
DICHLOROMETHANE (METHYLENE CHLORIDE) Debris
DICHLOROMETHANE (METHYLENE CHLORIDE) Groundwater
DIELDRIN Debris
DIELDRIN Groundwater
DIELDRIN Soil
ENDRIN Debris
ENDRIN Soil
GAMMA-HEXACHLOROCYCLOHEXANE (LINDANE) Debris
GAMMA-HEXACHLOROCYCLOHEXANE (LINDANE) Soil
HEPTACHLOR Debris
HEPTACHLOR Soil
LEAD Debris
LEAD Soil
MALATHION Debris
MALATHION Soil
MANGANESE Debris
MANGANESE Groundwater
MANGANESE Soil
METHOXYCHLOR Debris
METHOXYCHLOR Soil
NOT PROVIDED Soil
P,P'-DDD Debris
P,P'-DDD Soil
P,P'-DDE Debris
P,P'-DDE Soil
P,P'-DDT Debris
P,P'-DDT Groundwater
P,P'-DDT Soil
PARATHION Debris
PARATHION Soil
PESTICIDES Debris
PESTICIDES Soil
PYRENE Debris
PYRENE Soil
TETRACHLOROETHENE Groundwater
TETRACHLOROETHENE Soil
TOLUENE Groundwater
TOXAPHENE Debris
TOXAPHENE Soil
TRICHLOROETHENE Groundwater
TRICHLOROETHENE Soil
VANADIUM Debris
VANADIUM Soil
ZINC Debris
ZINC Groundwater
ZINC Soil

Location

City
Commerce City
Coordinates
39.7950, -104.9424

Other Superfund Sites in Colorado

Site Name Status HRS Score
Air Force Plant PJKS NPL Site 42.93
Bonita Peak Mining District NPL Site 50.00
Broderick Wood Products NPL Site 35.13
California Gulch NPL Site 55.84
Captain Jack Mill NPL Site 50.56
Central City, Clear Creek NPL Site 51.39
Chemical Sales Co. NPL Site 37.93
Colorado Smelter NPL Site 50.00
Denver Radium Site NPL Site 44.11
Eagle Mine NPL Site 47.19

How does this site's HRS score compare in Colorado?

Of the 24 Colorado Superfund sites with a scored Hazard Ranking System (HRS) evaluation, Woodbury Chemical Co. ranks #16 by score (44.87).

Either side of it: Nelson Tunnel/Commodore Waste Rock (48.03), Eagle Mine (47.19), Denver Radium Site (44.11), Uravan Uranium Project (Union Carbide Corp.) (43.53)

Frequently Asked Questions

What is the Woodbury Chemical Co. Superfund site?
Woodbury Chemical Co. is a Superfund site located in Commerce City, CO. It has a Hazard Ranking System (HRS) score of 44.87 (rank #16 of 24 scored Colorado sites). Superfund sites are contaminated locations identified by the EPA for long-term cleanup under CERCLA.
What does NPL listing mean for Woodbury Chemical Co.?
According to the EPA, National Priorities List (NPL) listing designates a site for long-term federal Superfund cleanup authority. It is a programmatic status in the Superfund Enterprise Management System, not a quantitative health-risk score for nearby residents. EPA records mark construction of the cleanup remedy as complete at this site. Site-specific conditions and community guidance are published by EPA Regional Superfund offices and the relevant state environmental agency.
What is the HRS score for Woodbury Chemical Co.?
Woodbury Chemical Co.'s Hazard Ranking System (HRS) score is 44.87, placing it #16 of 24 Colorado Superfund sites with a scored HRS evaluation. Sites with a score of 28.50 or greater qualify for the NPL; the model weighs contaminant toxicity, waste quantity, release likelihood, and affected population, and is not a community health diagnosis.
What contaminants are at the Woodbury Chemical Co. site?
The EPA public Superfund extract catalogs 76 contaminants at Woodbury Chemical Co., documented through the remedial investigation process. Counts reflect listed records in that extract, not a complete inventory of every substance ever present.
What is the cleanup status of Woodbury Chemical Co.?
Woodbury Chemical Co. is currently Deleted NPL Site on the National Priorities List. Construction of the cleanup remedy has been completed. The site has been deleted from the NPL, indicating EPA has determined all response actions are complete. The EPA Superfund cleanup process includes phases from preliminary assessment through post-construction completion.

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.

Related

Data sourced from the U.S. Environmental Protection Agency (EPA). See our methodology for details. Retrieved and formatted by PlainEnviro