Superfund Site Profile
The Rocky Hill Municipal Well site is located in Somerset County, New Jersey. The 2-acre site consists of two wells put in place in 1936 to supply residents of the borough of Rocky Hill with drinking water. In 1978, the first well was sealed and abandoned because it was contaminated with volatile organic compounds (VOCs), in particular trichloroethylene (TCE). The second well continued to operate until 1979, when it was also closed due to high levels of TCE. The well reopened for a short time when TCE levels declined, only to be closed again in 1982, when contamination levels increased in the groundwater. The borough temporarily used a private water supply until an air stripper could be installed on the municipal well. The air stripper has been operating since 1982 to ensure drinking water standards are met. Long-term groundwater treatment and monitoring are ongoing.
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