The Landfill is notable for being identified by the Environmental Protection Agency as a Superfund site.

[1][2][3] "According to the EPA's Web site, soil samples collected in 1999 showed levels of metals, phthalates, and polychlorinated biphenyls (PCBs) that were above regulation norms.

[4] Mercury and PCB releases were also observed in a surface water and sediment sample taken from a portion of the landfill located within the Great Swamp Wildlife Refuge, according to the EPA.

Testing also showed "actual contamination of a terrestrial sensitive environment," and indicated potential exposure of nearby residents, the EPA says.

As of 2022, the EPA has submitted plans for remediation, but no cleanup has started at the site.