patuxent river naval air station

OPPOSITE LEXINGTON PARK (STATE HWY 235)

The Naval Air Station Patuxent River is located in St. Mary's County, Maryland is a 6,400-acre facility located at the confluence of the Patuxent River and the Chesapeake Bay on a peninsula known as Cedar Point. The Navy facility is located next to the city of Lexington Park which has a population of about 13,000. There are approximately 17,500 military, civilian, contractors and nonappropriated fund personnel that work at the Naval Air Station on a normal day. That number has grown with the influx of workers from the base realignment and closure (BRAC) activities from other Navy installations in 1998. Surface water on the facility is contaminated as a result of the operations of the Fishing Point, the Former Sanitary, and the Current Sanitary Landfills—and from a portion of the site known as the Pesticide Control Rinse Area. From 1960 to 1974, the Fishing Point Landfill (a filled wetland area) received solid and hazardous wastes such as sewage treatment plant sludge, cesspool wastes, spent oil absorbents, paints, antifreeze, solvents, thinners, pesticides, and photo lab wastes. In 1974, the Navy began depositing these wastes in the Former Sanitary Landfill and, in 1980, began using the Current Sanitary Landfill, which remained open until September 1994. The Former and Current Sanitary Landfills cover a total of 16½ acres. The Pesticide Control Shop Rinse Area generated 300 to 400 gallons of rinsate per day from 1962 until the late 1970s. Two fishing areas on the site, Pond 3 and Pine Hill Run, are located in the surface water run-off pathway of the Pesticide Shop. Pine Hill Run flows into the Chesapeake Bay. The State of Maryland issued a fish advisory for the ponds on the base. The town of Lexington Park directly borders the base. Site Responsibility The site is being addressed through federal actions.

Hazardous Ranking Score

50 / 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

        259

        People living
        within a 1 mile radius

        $67,028

        Average Income

        97

        Occupied homes

        Potentially Responsible Parties

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