EPA Extends Public Comment Period for the Lower Neponset River Superfund Site's Engineering Evaluation/Cost Analysis
Members of the public now have until Friday, August 1, 2025
BOSTON (July 2, 2025) – The U.S. Environmental Protection Agency (EPA) has extended the public comment period for the Engineering Evaluation/Cost Analysis (EE/CA) for the Lower Neponset River Superfund Site. Members of the public now have until Friday, August 1, 2025, to review the EE/CA and submit comments.
The EE/CA report evaluates cleanup alternatives and presents EPA's recommended cleanup plan to address harmful contamination from polychlorinated biphenyls (PCBs) and other hazardous substances in the first mile of the Site. This covers the area of the Neponset River from its confluence with the Mother Brook near the Dana Avenue Bridge in the Hyde Park neighborhood of Boston to the Tileston and Hollingsworth Dam in Hyde Park and the Town of Milton—highly populated areas.
To review the EE/CA report and provide written comments, go to: https://www.regulations.gov/docket/EPA-R01-SFUND-2025-0083. Written comments may also be provided via email or by mail.
All public comments on the EE/CA must be postmarked by 11:59 p.m. on August 1, 2025, and should include the Docket ID No. EPA-R01-SFUND-2025-0083.
EPA will also hold a virtual public hearing on Wednesday, July 9, 2025, at 6:30 p.m., where oral comments will be accepted. A link to register for the Zoom public hearing can be found at: https://www.epa.gov/neponsetriver.
Before making a final decision regarding cleanup, EPA will review and consider all public input received during this comment period. EPA will respond to all significant public comments in a responsiveness summary, which will be issued with EPA's cleanup decision.
For more information about the Lower Neponset River Superfund Site, visit: https://www.epa.gov/neponsetriver.