william dick lagoons

TELEGRAPH ROAD

The William Dick Lagoons site, located in West Caln Township, Chester County, Pennsylvania, is a 4 ½ acre site. It includes three unlined lagoons which were used for waste disposal from the late 1950s to 1970. Chemical Leaman Tank Lines, Inc. (CLTL) cleaned petroleum products, latexes, and resins from its tank trailers, and dumped the final rinse water, and possibly residual chemical product, into the lagoons. The lagoons, about two acres in total area, contained more than four million gallons of wastewater over the years. The lagoons were not adequately diked, and two were breached in 1970, releasing about 300,000 gallons into a small tributary. Site soils were contaminated and are moderately permeable, resulting in the contamination of groundwater. In 1971, a cleanup was conducted by Chemical Leaman, under an agreement with the Pennsylvania Department of Health. Chemical Leaman collected samples from the materials in the lagoons, sprayed the liquid that remained over the adjacent land surface, and filled the remaining lagoon pits with soil. The filled areas were then vegetated. In 1987, the EPA sampled private wells and springs used by local residents and found several to be contaminated with trichloroethylene (TCE). Chemical Leaman subsequently agreed to provide carbon filters to the affected homes. The aquifer is the source of water for private wells serving approximately 1,400 people within three miles of the site. Numerous residential wells surround the site. The nearby Birch Run creek discharges to a water supply reservoir approximately three miles downstream of the site. This reservoir is used as a source of water for more than 15,000 residents of the city of Coatesville. A campground and a trailer park are located within one mile of the site. Site Responsibility The site is being addressed through federal and potentially responsible parties' actions.

Hazardous Ranking Score

37 / 100

A score of 28.5 or higher qualifies a site for the Superfund National Priority List.

Regional Contact

Region 3
Within the region: (800) 438-2474
Outside the region: (215) 814-5000

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Timeline

Discovery
Site Inspection
Preliminary Assessment
Final Listing On NPL
Removal

Contaminants & Health Effects

      Carcinogen
      Endocrine Disrupter
      Neurotoxic
      Sensitiser
      Reproductive Toxin
      Persistent, bioaccumulative and toxic
      VOC
      Mutagen

        Census

        White
        African American
        Asian
        American Indian and Alaska Native
        Native Hawaiian
        Other

        1,604

        People living
        within a 1 mile radius

        N/A

        Average Income

        573

        Occupied homes

        Potentially Responsible Parties

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