Nonantum Groundwater Investigation and Remediation

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Summary

In 2014, the Massachusetts Department of Environmental Protection (MassDEP) reopened an investigation concerning a property on West St. that was once a used auto parts operation that had revealed elevated concentration of trichloroethylene (TCE) in the groundwater. Monitoring wells were placed to identify the levels of TCE and the extent of the contamination. Upon review of all the data, MassDEP determined that the next step was to test for possible 'vapor intrusion' into nearby homes. Representatives from MassDEP, upon receiving permission from homeowners and/or occupants, tested over 160 buildings for the presence of TCE vapors. Over 93% of homes/buildings tested negative for TCE vapors. If found, sub slab systems were installed.

There are currently two separate sites under investigation: 320 Nevada St. and 80-90 Bridge St.

Each site also has licensed site professionals (LSPs) who direct contingency plan assessments and cleanup activities, in accordance with MassDEP policies. These sites are Public Involvement Plan sites, which means that you can review and provide comments on certain site documents required by MassDEP. Site status reports are prepared twice a year, and following next steps of field investigation. These reports will summarize the activities and outcomes of these investigations and annual public meetings for each site will be held.

Fact Sheets:

320 Nevada Street & 459-471 Watertown Street

Meetings

Groundwater Investigation

Remediation

The remediation work at 320 Nevada St. and 459-471 Watertown St. has been deemed as a public involvement process. This means that there will be regular public meetings to update the community on the cleanup process. Copies of presentation slides and draft documents are available HERE using Release Tracking Number (RTN) 3-0033794.

Contact for project questions or to be added to the Public Involvement mailing list:

Arcadis (Licensed Site Professional)

Tais Santos Ingraham
Project Manager
tais.ingraham@arcadis.com

MassDEP Bureau of Waste site cleanup, Northeast Regional Office

Tiffany Duhl, PhD
Environmental Analyst
tiffany.duhl@mass.gov

80-90 Bridge Street

Meetings

Remediation

The remediation work at 80-90 Bridge St. has been deemed as a public involvement process. This means that there will be regular public meetings to update the community on the cleanup process. Copies of presentation slides and draft documents are available HERE using Release Tracking Number (RTN) 3-0030276.