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Pierson's Creek
Newark, NJ

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Involvement Coordinator

Sophia Kelley – (212) 637-3670

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The Environmental Protection Agency (EPA) added Pierson’s Creek in Newark, NJ to the National Priorities List (NPL) of the country’s most hazardous waste sites on September 16, 2014. The creek originates south of the Troy Chemical Corporation facility and discharges into Newark Bay approximately one and a half miles from the facility. The creek has been contaminated by a variety of historic industrial activities.

The Troy Corporation is an active facility that has manufactured chemicals at the site since 1956. The company allegedly discharged untreated mercury-containing wastewater into the creek until 1965. After 1965, the wastewater was treated before discharging to the creek. However, sediment in the creek still contains elevated levels of mercury as well as polychlorinated biphenyls (PCBs) and other pollutants. Elevated levels of mercury within Newark Bay may be partly associated with Troy’s discharges.

The New Jersey Department of Environmental Protection inspected the Troy facility and has been in discussions with the company to address the contamination at the site since the early 1990s, but a comprehensive cleanup plan has yet to be implemented. The contamination in Pierson’s Creek will now be addressed under EPA’s Superfund program.


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