EPA Targets Toxic Legacy Groundwater Contamination at Sherwin-Williams in NJ

EPA crews prepare to address toxic groundwater at the Sherwin-Williams/Hilliards Creek Superfund Site in Gibbsboro, NJ, a critical step toward restoring the community’s health and environment. (Unrelated File Photo of Contamination.)
EPA crews prepare to address toxic groundwater at the Sherwin-Williams/Hilliards Creek Superfund Site in Gibbsboro, NJ, a critical step toward restoring the community’s health and environment. (Unrelated File Photo of Contamination.)

New Plan Aims to Clean Contaminated Groundwater in Gibbsboro

The EPA unveiled a bold plan on July 28, 2025, to tackle groundwater contamination at the Sherwin-Williams/Hilliards Creek Superfund Site, a former paint plant in Camden County, New Jersey, where decades of toxic dumping left arsenic, lead, and solvents in the soil and water.

The proposal involves injecting organic materials to spur bacteria that break down harmful chemicals, paired with strict groundwater use restrictions and ongoing testing.

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Building on a 2020 soil cleanup effort, this phase targets the source of pollution beneath the site, protecting public health and local waterways like Hilliards Creek and Kirkwood Lake.

“This moves us closer to a full cleanup,” said EPA’s Michael Martucci. Residents can comment until August 26, 2025, with a public meeting set for August 7.

The plan promises health and economic benefits, revitalizing a community scarred by industrial pollution.


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