The U.S. Environmental Protection Agency (EPA) has completed its required five-year reviews for three Superfund sites in New Hampshire during the 2025 Fiscal Year. These reviews are part of the agency's statutory obligation to assess the effectiveness of cleanup efforts at sites on the National Priorities List.
The reviews were conducted at New Hampshire Plating Co. in Merrimack, Somersworth Sanitary Landfill in Somersworth, and Troy Mills Landfill in Troy. The EPA's evaluations concluded that the remedies implemented continue to protect human health and the environment effectively. Recommendations for follow-up actions were made where necessary.
These five-year reviews are essential to ensure that cleanup efforts remain effective over time. They help identify any issues that could affect the safety and efficacy of the remedies put in place and suggest necessary actions to address them.
The Superfund program, established by Congress in 1980, focuses on investigating and cleaning up hazardous waste sites across the country. The program aims to return these sites to productive use while protecting human health and the environment. For more information about EPA's Superfund program, visit www.epa.gov/superfund.
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