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UPDATE: The Trustee of the Penobscot Estuary Beneficial Environmental Projects Trust is accepting proposals for projects with public or environmental benefits. Learn how to propose a project for funding here. The deadline is Dec. 31, 2023.

NEW: The 2nd quarter 2023 progress reports of the Remediation Trust and the Project Trust are here.


A collaborative, actionable plan for cleanup of mercury in the Penobscot River Estuary.



We appreciated everyone who attended our July 19 community meeting and drop-in session about initial plans to place a thin-layer cap on mercury-contaminated sediment in the Penobscot River Estuary. Topics covered:

  • Court-ordered capping of 130 acres of intertidal flats in Orrington Reach, between Orrington and North Bucksport

  • Requesting permission from landowners to access intertidal flats to collect sediment samples and survey wetlands near proposed capping areas as part of cap design evaluations and permitting


See our meeting presentation and capping fact sheet here.

In October 2022, the U.S. District Court for the District of Maine approved a Consent Decree that requires Mallinckrodt US LLC (Mallinckrodt) to pay a minimum of $187 million (and possibly an additional $80 million) to remediate mercury contamination in the Penobscot River Estuary.

Under the Consent Decree, two trusts have been created to accelerate recovery of Maine’s largest river and provide meaningful and lasting benefit for the surrounding communities and environment.

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