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Superfund Site Report: WELLS G&H
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  • Site Description
    Stage of Clean-up: Construction Underway

    Conditions at listing (December l982): The Wells G & H Site covers about 500 acres in East Central Woburn, Massachusetts. Between l964 and l979, the wells provided approximately 25 percent of the drinking water for the town, primarily 25 homes and businesses in the southeastern portion. In l979, the State closed the wells after detecting four chlorinated solvents in the water. The concentration of total volatile organics was approximately 500 parts per billion. In l980, EPA began preliminary assessments of several industries in the area that may have affected Wells G & H. The investigation, later expanded to include an evaluation of the geology and ground water quality of North and East Woburn, was completed in June l982. Status (July l983): EPA has issued three orders against potentially responsible parties under Section 3013 of the Resource Conservation and Recovery Act (RCRA). The orders require the companies to conduct a hydrogeological investigation of their properties. EPA has also sent 15 letters (under Section 3007 of RCRA) to other companies within the study area requesting detailed information about their use of hazardous materials. 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:
    • Storage - drums/containers of waste
    • Waste tank - below ground
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  • Threats and Contaminants
    The groundwater is contaminated with VOLATILE ORGANIC COMPOUNDS (VOCS) including TRICHLOROETHYLENE (TCE) and TETRACHLOROETHYLENE (PCE). Sediments in the Aberjona River are contaminated with polycyclic aromatic HYDROCARBONS (PAHS) and HEAVY METALS such as CHROMIUM, ZINC, MERCURY, and ARSENIC. Soil is contaminated with PAHS, polychlorinated biphynels (PCBS), VOCS, and pesticides.  More...

    Contaminants Detected

    Air Soil Other

    Groundwater and Drinking Water

    Were drinking water wells shut down due to contamination? Yes
    Population served by the wells now shut down: 10,001 - 100,000
    Are drinking water wells potentially threatened? No
    Aquifer discharges into: A drinking water aquifer
      A sensitive ecological environment
      Surface water
    Population served by water wells in the aquifer: 0
    List ground water uses.
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  • Pre-Cleanup Rankings
    EPA Hazard Ranking System scores for WELLS G&H:

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

    Overall site:
    Surface water migration:
    Ground water migration:

    Rank Superfund sites in the U.S., MASSACHUSETTS, or in MIDDLESEX 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: WELLS G&H
    EPA ID: MAD980732168
    WOBURN, MA 01801
    Site Ownership: Private
    Category of Site: Wells
    Date of Final Listing on the NPL: September 08, 1983
    List Standard Industrial Classifications (SIC) associated with current and past activities at the WELLS G&H Superfund site.
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  • Potentially Responsible Party (PRP) Involvement
    Number of PRPs currently associated with this site: 21
    Hazardous waste received from off-site generators/transporters? No
    Number of past and present PRPs who contributed less than 1% of the waste: 2 - 10
    Number of owners/operators which are also municipalities: 1

    List Potentially Responsible Parties identified by U.S. EPA as associated with the WELLS G&H Superfund site.
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