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Peninsula Boulevard Ground Water Plume
Hewlett, NY

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Cecilia Echols (212) 637-3678
echols.cecilia@epa.gov

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The Peninsula Boulevard Ground Water Plume Site is a tetrachloroethylene groundwater plume located in Hewlett, NY, which has an unknown source. The groundwater flows towards the northwest, in the direction of the Long Island American Water Plant 5 Well Field, a source of drinking water. Since April 1991, the Plant 5 well water has been treated by a packed tower aeration system. The EPA proposed the site on the National Priorities List (NPL) on March 7, 2004 and the site was listed on August 23, 2004.

The groundwater is contaminated with up to 6,000 micrograms/liter tetrachloroethylene. The entire site is being addressed in a single long-term remedial phase focusing on the cleanup of the entire area. After concluding that the contamination present in the groundwater did not originate from the former Grove Cleaners, NYSDEC referred the site to EPA. Vapor testing conducted by EPA at North Woodmere Middle School concluded that the school was not being impacted by the plume.

EPA has completed field work at the site, including the sampling of groundwater, and is currently preparing a Data Evaluation Report on which the Remedial Investigation report will be based.


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