Superfund

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Superfund is a United States federal environmental remediation program established by the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA). The program is administered by the Environmental Protection Agency (EPA) and is designed to pay for investigating and cleaning up sites contaminated with hazardous substances. Sites managed under this program are referred to as Superfund sites. The EPA seeks to identify parties responsible for hazardous substances released to the environment (polluters) and either compel them to clean up the sites, or it may undertake the cleanup on its own using the Superfund (a trust fund), seeking to recover those costs from the responsible parties through settlements or other legal means. The EPA and state agencies use the Hazard Ranking System (HRS) to calculate a site score (ranging from 0 to 100) based on the actual or potential release of hazardous substances from a site. A score of 28.5 results in a site being placed on the National Priorities List, eligible for long-term, remedial action (i.e., cleanup) under the Superfund program. Sites on the NPL are considered the most highly contaminated and undergo longer-term remedial investigation and remedial action (cleanups). The state of New Jersey, the fifth smallest state in the U.S., disproportionately contains about ten percent of the priority Superfund sites. As of March 13, 2026, there were 1,343 sites listed; an additional 460 had been deleted, and 37 new sites have been proposed on the NPL. Approximately 70% of Superfund cleanup activities historically have been paid for by the potentially responsible parties (PRPs), reflecting the polluter pays principle. However, 30% of the time, the responsible party either cannot be found or is unable to pay for the cleanup. In these circumstances, taxpayers had been paying for the cleanup operations. Through the 1980s, most of the funding came...