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Urban Waters - Neponset River

  • Announcements

    Lower Neponset River Superfund Site Public Information Meeting, April 21, 2026, 6:00 p.m. – 8:00 p.m.

    JOIN: CAG Meeting #26 March 17, 2026

  • Community Info

    Community Advisory Group (CAG) Agendas

    July 22, 2025 - EE/CA Community Meeting Presentation by Technical Assistance Services for Communities (TASC) program

    MA DPH Recreational Use of the Neponset River Community Fact Sheet & Current Freshwater Fish Consumption Advisory

  • Reuse Assessment

    This report identifies reasonably anticipated future land uses at the Site to guide for EPA's cleanup decision-making process and inform land use planning activities by state and local governments and other interested parties.

    Review the Reuse Assessment Report
  • Neponset River Watershed Report Cards

    Neponset River Report Cards were developed to measure and evaluate progress towards meeting the Massachusetts bacterial water quality standards for swimming, boating, and general health of the watershed.

    Examine Report Cards
  • Lower Neponset River Remedial Work

    Cleanup along the Lower Neponset River

    The EPA coordinates cleanup activities in Boston/Milton's Lower Neponset River, focusing on mitigating pollution and restoring ecological health for the community.

    Learn about cleanup activities
  • Understanding Polychlorinated Biphenyls (PCBs)

    Researcher collecting water samples

    The EPA works on cleaning up the Lower Neponset River aiming to improve water quality and restore the river's ecosystem.

    Learn about PCBs
  • Community Corner

    Hands holding a potted plant

    Stay updated and engage with EPA cleanup efforts for the Lower Neponset River through community involvement and informational resources.

    Stay updated and get involved
  • Site Documents & Data

    Tileston and Hollingsworth Dam

    EPA provides reports and data for cleanup and monitoring activities.

    Review data on the Site

Stay Updated!

  • Events, Meetings, and Updates
  • Press Releases
  • Join Mailing List
  • Reuse Assessment

Site Map

Lower Neponset River Superfund Site Map
View a larger version of this image (pdf) (807 KB).
View site on Cleanups In My Community Map.

Short-Term Removal Work

  • Lewis Chemical Removal Action
  • Riverside Square Removal Investigation

Helpful Links

  • Massachusetts Department of Environmental Protection (MADEP)
  • Massachusetts Department of Public Health (MADPH)
  • Massachusetts Department of Conservation and Recreation (DCR)
  • Agency for Toxic Substances and Disease Registry (ATSDR)

Popular Documents and Resources

  • Data Evaluation Summary Memorandum – Phase 2 Investigation (pdf) (624.4 MB)
  • Action Memorandum - Approval for a Non Time Critical Removal Action (NTCRA) (pdf) (28.7 MB)
  • Community Advisory Group (CAG)
    • CAG Meeting Agenda #26 - March 17, 2026 (pdf) (568 KB)
  • Final Engineering Evaluation/Cost Analysis (EE/CA) Report, Phase 1 Reach (pdf) (28.5 MB)
  • EE/CA Informational Fact Sheet (pdf) (2 MB)
    • Fèy Enfòmasyon EE/CA - 1ye Out 2025, dat pwolonje (Haitian Creole Version) (pdf) (1.8 MB)
    • Hoja informativa de EE/CA - 1° de Agosto de 2025, fecha extendida (Spanish Version) (pdf) (1.9 MB)
  • EE/CA Informational & July 9, 2025 Public Hearing, Public Comment Recording Videos
  • Publicly Available Documents - Lower Neponset River
  • Community Involvement Plan (pdf) (20. 3 MB)
    • Plan de Participación Comunitaria (pdf) (4.9 MB)
    • Plan Patisipasyon Kominotè (pdf) (36 MB)
  • Reuse Assessment Report (pdf) (5.3 MB)
    • Informe de evaluación de reutilización (pdf) (2.8 MB)
    • Rapò Evalyasyon Re-itilizasyon (pdf) (4.9 MB)
  • More Popular Documents and Resources

Site Documents and Data

  • Data Evaluation Summary Memorandum Information- Phase 1 (Dated: 11/01/2024) (pdf) (34 MB)
Contact Us About Neponset River to ask a question, provide feedback, or report a problem.
Last updated on April 9, 2026
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