Delaware Superfund Sites

Note: About Superfund Site Links


  Active Sites

Jump to: Alternative Approach Sites · Deleted Sites


Army Creek Landfill

Location: New Castle, New Castle County

Contaminants: Arsenic · Benzene · bis(2-chloroethyl)ether · Chromium · 1,2-Dichloroethane · Manganese · Mercury · Thallium


Chem-Solv, Inc.

Location: Cheswold, Kent County

Contaminants: Trichloroethene


Delaware City PVC Plant

Location: Delaware City, New Castle County

Contaminants: 1,2-Dichloroethane · Trichloroethene · Vinyl Chloride


Delaware Sand & Gravel Landfill

Location: New Castle, New Castle County

Contaminants: Antimony · Arsenic · Benzene · bis(2-Chloroethyl)ether · Chromium · 1,2-Dichloroethane · Lead · Methylene Chloride · PCBs · Thallium · Vanadium


Dover Air Force Base

Location: Dover, Kent County

Contaminants: Benzene · Carbon Tetrachloride · 1,2-Dichloroethene · Ethylbenzene · Tetrachloroethene · Toluene · Trichloroethene · Xylenes


Dover Gas Light Co.

Location: Dover, Kent County

Contaminants: Benzene · Ethylbenzene · PAHs · Toluene · Xylenes


E.I.Du Pont de Nemours (Newport Landfill

Location: Newport, New Castle County

Contaminants: Barium · Cadmium · Copper · Lead · Mercury · Zinc


Halby Chemical Co.

Location: Wilmington, New Castle County

Contaminants: Arsenic · Cadmium · Carbon Disulfide · Copper · Lead · Manganese · Zinc


Harvey & Knott Drum, Inc.

Location: Kirkwood, New Castle County

Contaminants: Arsenic · Cadmium · Ethylbenzene · Lead · PCBs · Toluene


Koppers Co., Inc. (Newport Plant)

Location: Newport, New Castle County

Contaminants: PAHs


NCR Corp. (Millsboro Plant)

Location: Millsboro, Sussex County

Contaminants: Trichloroethene


Standard Chlorine of Delaware,Inc

Location: Delaware City, New Castle County

Contaminants: Chlorobenzene · 1,2-Dichlorobenzene · 1,3-Dichlorobenzene · 1,4-Dichlorobenzene · Trichlorobenzenes


Tybouts Corner Landfill

Location: Wilmington, New Castle County

Contaminants: Benzene · 1,2-Dichloroethane · Vinyl Chloride


 Deleted Sites

Jump to: Active Sites · Alternative Approach Sites · Top


Coker's Sanitation Service Landfills

Cheswold, Kent County. Deleted from the NPL in 2011.

Contaminants: Ethylbenzene · Styrene


New Castle Spill

New Castle, New Castle County. Deleted from the NPL in 1996.

Contaminants: TRIS


New Castle Steel

New Castle, New Castle County. Deleted from the NPL in 1989.

Contaminants: Arsenic · Cadmium · Chromium · Lead · Nickel


Sealand Limited

Mt. Pleasant, New Castle County. Deleted from the NPL in 1997.

Contaminants: Creosote · PAHs


Sussex County Landfill No. 5

Laurel, Sussex County. Deleted from the NPL in 2001.

Contaminants: Benzene · Vinyl Chloride


Tyler Refrigeration Pit

Smyrna, Kent County. Deleted from the NPL in 2004.

Contaminants: Chromium · 1,1-Dichloroethane · 1,1,1-Trichloroethane


Wildcat Landfill

Dover, Kent County. Deleted from the NPL in 2003.

Contaminants: Arsenic · Benzene · Chromium · Lead · PCBs