EPA issued a Record of Decision (Doc ID 639773) in 2019 laying out the long-term cleanup plan of the Site including soil excavation, off-site disposal, in-situ (in place) treatment, permeable reactive barriers, land use and access restrictions, and long-term operation, maintenance and monitoring to address unacceptable exposure to these risks posed by the...
| City | Attleboro |
|---|---|
| County | Bristol County |
| State | Massachusetts |
| Coordinates | 41.95778, -71.29694 |
Walton Lonsbury Inc is a federal Superfund site in Massachusetts. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.
Current status: Cleanup underway. Active cleanup is underway, meaning EPA has approved a remediation plan and work is in progress. Cleanup timelines vary widely — some sites take decades depending on contamination depth, groundwater involvement, and funding availability.
EPA has identified 10 contaminants of concern at this site, including 1,1,1-trichloroethane, 1,1-dichloroethane, 1,4-dioxane. Contamination has been detected in groundwater, soil, surface water.
If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.