Arconic (formerly Alcoa) periodically hosts public meetings to present information regarding the status of the Grasse River project and upcoming/ongoing project activities. These presentations are included in the links below, and have been grouped based on topical area.
Grasse River Remediation and Construction Activities
Project Update – Grasse River Remediation Project (September 2024) - Coming soon
EPA Grasse River Superfund Site Public Information Session (September 2022)
Preview of Activities - Grasse River Remediation Project (March 2021) (View Slides from Video)
Preview of Activities - Grasse River Remediation Project (April 2020) (View Slides from Video)
Preview of Activities - Grasse River Remediation Project (January 2019)
History and Superfund Process
EPA Update on Grasse River Project (June 24, 2003 CAP Meeting)
EPA’s Proposed Path Forward for the Lower Grasse River (May 12, 2004 CAP Meeting)
Grasse River Update Meeting (March 29, 2006)
General Project Update (April 23, 2008 CAP Meeting)
The Grasse River Story
Grasse River History Module
The Grasse River Today and Tomorrow – River Module
EPA’s Superfund Program and the Grasse River – Superfund Module
Grasse River Studies – River Studies Module
Finding a Solution for the Grasse River – Remedial Options Module
2006 Activated Carbon Pilot Study
Activated Carbon Pilot Study – Rationale and Components (September 27, 2006 CAP Meeting)
Activated Carbon Pilot Study – Post-Implementation Summary (April 19, 2007 CAP Meeting)
Grasse River Activated Carbon Pilot Study Update (April 23, 2008 CAP Meeting)
2005 Remedial Options Pilot Study
Remedial Options Pilot Study – Pre-Implementation Project Overview (April 2005)
Remedial Options Pilot Study – Post-Implementation Summary (March 29, 2006)
2001 Capping Pilot Study
Grasse River 2001 Capping Pilot Study Data Summary (December 6, 2001 CAP Meeting)
2002 Post-Capping Pilot Study Monitoring – Sediment Core Collection (November 20, 2002 CAP Meeting)
2003 Post-Capping Pilot Study Monitoring Update (June 24, 2003 CAP Meeting)
1995 Non-Time-Critical Removal Action
1995 Non-Time-Critical Removal Action Summary (November 20, 2002 CAP Meeting)
Ice Management Evaluation
Ice Management Update – Status of Ice Control Structure and Ice Breaking Evaluations (September 27, 2006 CAP Meeting)
Grasse River Project Overview and Summary of Ice Breaking Demonstration Project (January 30, 2007)
Lower Grasse River Ice Breaking Demonstration Project Review (April 19, 2007 CAP Meeting)
Ice Control Structure Physical River Modeling Update (April 19, 2007 CAP Meeting)
Lower Grasse River 2007 Ice Breaking Demonstration Project – Results and Conclusions (April 23, 2008 CAP Meeting)
Review of Ice Management Efforts (April 23, 2008 CAP Meeting)
2007-2008 Grasse River Ice Monitoring Program (April 23, 2008 CAP Meeting)
River-Wide Monitoring
Fish Trend Monitoring Update (April 23, 2008 CAP Meeting)
2010 Near Shore Sampling Program (August 4, 2011 CAP Meeting)
Grasse River Annual Monitoring Update (August 4, 2011 CAP Meeting)