Environmental clean-up sites on Long Island

A West Islip superfund site, the former home of Dzus Fasteners, poses a new threat after monitoring tests revealed high levels of the carcinogen cadmium nearby, the state announced in late February 2016. Here are details on this and other active and closed federal and state Superfund sites in Nassau and Suffolk counties. Click on the map below or search in the table for details on 254 locations that are or were contaminated at some point. For more information on the types of sites, click here, and for details on some of the acronyms used for current or past contaminants, click here. To read a detailed federal or state report on any site, click on "Read report" in the table or in the map's pop-up box. This database was updated on Feb. 29, 2016.

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