Pohatcong Valley Groundwater Contamination
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Pat Seppi (212) 637-3679
EPA added the Pohatcong Valley Groundwater Contamination Superfund site in Washington and Franklin townships (Warren County) to the Superfund National Priorities List on March 30, 1989 because of harmful chemicals present in the Kittatinny Limestone Aquifer.
Trichloroethylene (TCE) and perchloroethylene (PCE), both of which can pose human health threats, were found in the aquifer, the sole source of drinking water for the area. EPA’s cleanup of the site is taking place in two parts. The first, known as Operable Unit 1 or OU1, includes portions of both townships and Washington Borough in the Valley and encompasses about 5,600 acres. About 12,000 people get .their drinking water from wells within three miles of OU1.
The second part of the cleanup—Operable Unit 2 or OU2—relates to TCE ground water contamination adjacent to OU1 into New Village and Stewartsville.
In July 2006, EPA issued a plan to address contamination in OU1 and is currently investigating ways to clean up OU2.