Coker's Sanitation Service Landfills

Deleted NPL Site
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Kent County, DE

According to the EPA Superfund Enterprise Management System, Coker's Sanitation Service Landfills in Kent County, DE is listed with NPL status Deleted NPL Site. Its Hazard Ranking System (HRS) score is 52.15. The public extract catalogs 59 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 Delaware environmental agency.

What is the cleanup status of this Superfund site?

NPL Status
Deleted NPL Site
Federal Facility
No
Construction Complete
Yes
HRS Score
52.15
Deleted from NPL
Yes

Contaminants

Contaminant Media
1,2,3-TRICHLOROPROPANE Groundwater
1,2,3-TRICHLOROPROPANE Soil
ALUMINUM Groundwater
ALUMINUM Soil
ANTIMONY Groundwater
ANTIMONY COMPOUNDS Soil
BARIUM Groundwater
BARIUM COMPOUNDS Soil
BENZENE Groundwater
BENZENE Leachate
BENZENE Soil
BENZENE Solid Waste
BENZOIC ACID Groundwater
BENZOIC ACID Soil
BERYLLIUM COMPOUNDS Groundwater
BERYLLIUM COMPOUNDS Soil
BUTYL BENZYL PHTHALATE Groundwater
BUTYL BENZYL PHTHALATE Soil
CADMIUM Groundwater
CADMIUM Solid Waste
CARBON DISULFIDE Groundwater
CARBON DISULFIDE Soil
CHLOROFORM Groundwater
CHLOROFORM Soil
CHLOROFORM Solid Waste
CRESOL (MIXED ISOMERS) Groundwater
CRESOL (MIXED ISOMERS) Leachate
CRESOL (MIXED ISOMERS) Soil
CRESOL (MIXED ISOMERS) Solid Waste
DIBUTYL PHTHALATE Groundwater
DIBUTYL PHTHALATE Leachate
DIBUTYL PHTHALATE Soil
DIBUTYL PHTHALATE Solid Waste
ETHYLBENZENE Groundwater
ETHYLBENZENE Leachate
ETHYLBENZENE Soil
ETHYLBENZENE Solid Waste
MAGNESIUM Solid Waste
MANGANESE Groundwater
MANGANESE Leachate
MANGANESE Soil
MANGANESE Solid Waste
MANGANESE COMPOUNDS Soil
PHENOL Groundwater
PHENOL Leachate
PHENOL Soil
PHENOL Solid Waste
PHENYLMETHANOL Groundwater
PHENYLMETHANOL Soil
STYRENE Groundwater
STYRENE Leachate
STYRENE Soil
STYRENE Solid Waste
TOLUENE Groundwater
TOLUENE Soil
TRICHLOROETHENE Groundwater
TRICHLOROETHENE Soil
XYLENE (MIXED ISOMERS) Groundwater
XYLENE (MIXED ISOMERS) Soil

Location

City
Kent County
Coordinates
39.2272, -75.6114

Other Superfund Sites in Delaware

Site Name Status HRS Score
Army Creek Landfill NPL Site 69.92
Blades Groundwater NPL Site 50.00
Chem-Solv, Inc. Deleted NPL Site 37.93
Delaware City PVC Plant NPL Site 30.55
Delaware Sand & Gravel Landfill NPL Site 46.60
Dover Air Force Base NPL Site 35.89
Dover Gas Light Co. NPL Site 35.57
E.I. du Pont de Nemours & Co., Inc. (Newport Pigment Plant Landfill) NPL Site 51.91
East Basin Road Groundwater NPL Site 50.00
Georgetown North Groundwater NPL Site 50.00

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

Of the 26 Delaware Superfund sites with a scored Hazard Ranking System (HRS) evaluation, Coker's Sanitation Service Landfills ranks #2 by score (52.15).

Either side of it: Army Creek Landfill (69.92), E.I. du Pont de Nemours & Co., Inc. (Newport Pigment Plant Landfill) (51.91), Blades Groundwater (50.00)

Frequently Asked Questions

What is the Coker's Sanitation Service Landfills Superfund site?
Coker's Sanitation Service Landfills is one of the higher hazard-ranked Superfund sites EPA tracks in Delaware (HRS 52.15, rank #2 of 26 scored sites in the state), located in Kent County, DE. Superfund sites are contaminated locations identified by the EPA for long-term cleanup under CERCLA; a higher HRS rank reflects the EPA's scoring model, not a certified danger level.
What does NPL listing mean for Coker's Sanitation Service Landfills?
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 Coker's Sanitation Service Landfills?
Coker's Sanitation Service Landfills's Hazard Ranking System (HRS) score is 52.15, placing it #2 of 26 Delaware Superfund sites with a scored HRS evaluation -- among the higher-scored sites in the state. 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 Coker's Sanitation Service Landfills site?
The EPA public Superfund extract catalogs 59 contaminants at Coker's Sanitation Service Landfills, 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 Coker's Sanitation Service Landfills?
Coker's Sanitation Service Landfills 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