Waste Site Cleanup Notifications & Status

This database contains the Release Tracking Number (RTN), address and status of all regulated Waste Site Cleanup notifications: over 33,000 records. This includes the same information that is available to search on-line, as well some additional site data, in a collection of five linked files (in DBase IV format):

release.dbf - Primary release info
actions.dbf - Actions that occurred against releases
chemical.dbf - Chemicals that were released
location.dbf - Location type for a release
source.dbf - Sources of the release

If you are not comfortable using decompression and database software, we recommend that you use the Searchable Sites Database instead.
Updated Weekly
Downloadable Data: Waste Site Cleanup Notifications & Status zip format of Downloadable Data:  Cleanup Notifications & Status file size 12MB

Reportable Releases

All the notification information compiled into a concise report (in Adobe Acrobat format) of Location, Source, Chemical, Amount, Notification Date and Release Tracking Number. If you are not comfortable using decompression software, we recommend that you use the Searchable Sites Database instead.
Updated Weekly
Downloadable Site Lists: Reportable Releases zip format of Downloadable Site Lists:  Reportable Releases file size 14MB

2006 MassDEP Regional Boundary Changes

In order to provide improved services to the regulated community and to improve the efficiency of MassDEP's field operations, MassDEP reassigned a small number of communities to different MassDEP Regional Offices. A total of 21 communities across the Commonwealth were reassigned. 

MassDEP Regional Boundary Change: Effect on BWSC Release Tracking Numbers

2006 Regional Boundary Change RTN List pdf format of 2006 Regional Boundary Change RTN List xls format of 2006 Regional Boundary Change RTN List