MassDEP Southeast Regional Office

MassDEP's Southeast Regional Office serves 84 towns and cities (listed below) from the southern suburbs of Boston to the Rhode Island border along with Cape Cod, Martha's Vineyard, Nantucket and the Elizabeth chain.

The public may review the MassDEP Southeast Region's non-confidential files in Lakeville on Tuesdays and Wednesdays from 9:00 a.m. to 11:30 a.m. and 2:00 p.m. to 4:30 p.m. (except state holidays ).

Request a file review appointment.

Learn more about top projects, facilities and sites overseen by MassDEP's Southeast Regional Office.

Clean Harbors Fire in Braintree, MA
Learn about MassDEP work at the Clean Harbors facility in Braintree following a fire on February 16, 2023.

Attleboro Landfill Inc. Capping Project
Learn about the proposed capping and closure of this landfill.

Algonquin Natural Gas Compressor Station, Weymouth
Algonquin Gas Transmission LLC, a subsidiary of Enbridge Inc., operates a natural gas compressor station in the Fore River area of Weymouth.

Bliss Corner Neighborhood, Dartmouth, MA
Investigation into historic dumping in a residential neighborhood.

Bouchard Barge Oil Spill - Shore Impacts
This spill in Buzzards Bay prompted the Massachusetts Legislature to take action to better address oil spills.

Brayton Point Power Station Emissions Offsets
Emissions avoided through closure of the Brayton Point Power Station in Somerset resulted in offsets to be applied to federal permitting of ocean wind energy projects off the coast of Massachusetts.

Massachusetts Military Reservation, Cape Cod
Learn about environmental programs designed to ensure current and future military activity is protective of the valuable natural resources in Massachusetts.

NRG Canal 3 Development LLC, Sandwich
NRG Canal 3 Development LLC is proposing construction of one new, simple-cycle electric generating combustion turbine.

TLA-Holbrook LLC Solid Waste Transfer Station, Holbrook
TLA-Holbrook LLC has proposed a 1,000 ton per day truck and rail haul transfer station on 14.85 acres of industrial park land.

The Southeast Region is home to 84 towns and cities and the major islands of Martha's Vineyard, Nantucket and the Elizabeth chain. It stretches from the southern suburbs of Boston to the Rhode Island border to Cape Cod.

The region boasts more than two-thirds of the Massachusetts coastline; Assawompset Pond, the largest natural body of fresh water in the state; and the Taunton River, one of only three Massachusetts waterways to have obtained a Scenic River Designation.

The regional office regulates more than 9,000 facilities - including the largest fossil fuel power plant in New England, more than 200 landfills, and 50 wastewater treatment plants - and oversees the cleanup of approximately 1,500 hazardous waste sites.

Cities and Towns in the Southeast Region