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Superfund Site Report: ARMY CREEK LANDFILL
 
 
  • Map Locating Superfund Site
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  • Site Description
    Stage of Clean-up: Construction Completed

    Conditions at listing (October 1981): The Army Creek Landfill covers 47 acres in New Castle County, Delaware. It is adjacent to the Delaware Sand & Gravel Landfill and was owned and operated by the county as a municipal and hazardous waste disposal facility until it reached capacity in 1970. The site holds 1.9 million cubic yards of refuse. Since 1972, the county has spent $3 million to control the migration of contaminants, including LEAD, CHROMIUM, ARSENIC, and a variety of organic compounds, to an aquifer that supplies water to over 100,000 people. This site was first listed under the name "Delaware Sand & Gravel -Llangollen Army Creek Landfills." Status (July 1983): The State is drafting a National Pollutant Discharge Elimination System permit for the discharge of the ground water to Army Creek. EPA recently completed a Remedial Action Master Plan outlining the investigations needed to determine the full extent of cleanup required at the site. It will guide further actions at the site.

    Sources of Contamination:
    • Landfill
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  • Threats and Contaminants
    Volatile organic compounds (VOCS, e.g., BENZENE, METHYLENE CHLORIDE, and bis 2-CHLOROETHYL ETHER) and inorganic chemicals (e.g., CADMIUM, CHROMIUM, MERCURY and NICKEL), are found in ground water underlying and down gradient of the site. Ground water recovery wells are operational and successfully preventing potential for exposure. The surface water of Army Creek contains CADMIUM, CHROMIUM, MERCURY and ZINC at levels which may be harmful to aquatic life.


    Contaminants Detected

      Ground
    Water
    Surface
    Water
    Air Soil Other
    BARIUMXX   
    BIS(2-CHLOROETHYL) ETHER  X  
    CADMIUMXX   
    CHROMIUMXX   
    CHROMIUM COMPOUNDSXX   
    LEADXX   
    VOLATILE ORGANIC COMPOUNDS  X  


    Groundwater and Drinking Water

    Were drinking water wells shut down due to contamination? No
    Are drinking water wells potentially threatened? No
     
    List ground water uses.
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  • Pre-Cleanup Rankings
    EPA Hazard Ranking System scores for ARMY CREEK LANDFILL:

    Less Hazard National Average More Hazard
    0%         50%         100%

    Overall site:
    Surface water migration:
    Ground water migration:
    Air migration:


    Rank Superfund sites in the U.S., DELAWARE, or in NEW CASTLE County by EPA Hazard Ranking Scores.

    *Note: EPA's Hazard Ranking System is designed to screen and prioritize sites for the Superfund program, based on limited data available at time of listing. These scores are not based on a comprehensive risk assessment of the site and do not reflect conditions after initiation of cleanup work.
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  • Site Information
    Site Name: ARMY CREEK LANDFILL
    EPA ID: DED980494496
    Address: RTE 13 + RTE 40
    NEW CASTLE, DE 19720
    Other Names: ARMY CREEK LANDFILL
      LANGOLLEN LANDFILL
      LLANGOLLEN LANDFILL
    Site Ownership: Other
    Category of Site: Landfill
    Date of Final Listing on the NPL: September 08, 1983
     
    List Standard Industrial Classifications (SIC) associated with current and past activities at the ARMY CREEK LANDFILL Superfund site.
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  • Potentially Responsible Party (PRP) Involvement
    Number of PRPs currently associated with this site: 31
    Hazardous waste received from off-site generators/transporters? Yes
    Number of past and present PRPs who contributed less than 1% of the waste: 0
    Number of owners/operators which are also municipalities: 1

    List Potentially Responsible Parties identified by U.S. EPA as associated with the ARMY CREEK LANDFILL Superfund site.
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