Hours & Directions 

MassDEP Southeast Region Main Office
20 Riverside Drive
Lakeville, MA 02347
Main telephone: 508-946-2700
Service Center / Permit Assistance: 508-946-2714

MassDEP Southeast Region Cape Cod Office
3195 Main St., Barnstable, MA 02630
Main telephone: 508-277-1661

Business Hours - Lakeville Office

Open 8:45 a.m. - 5:00 p.m. Monday through Friday, except state holidays
See also SERO File Review Hours

Directions to Lakeville Office

Directions to MassDEP Offices pdf format of MassDEP Office Directions doc format of MassDEP Office Directions

Using Public Transportation

  • The Southeast Regional Office of MassDEP is located within walking distance (1/4 mile) of the T Commuter Rail - Middleborough/Lakeville Line. The line leaves South Station in Boston with a final destination at Middleborough/ Lakeville. Twelve round trips are made Mon-Fri with stops at JFK/UMASS, Quincy Center, Braintree, Holbrook/Randolph, Montello, Brockton, Campello, Bridgewater and Middleboro/Lakeville. Additional information is available from the MBTA.

Driving from the North

  • Take 495S (exit 14A off of Rte. 24 if coming from the Boston area).
  • Take Exit 4 off 495S, (Rte. 105, Middleborough Center, Lakeville).
  • At the bottom of the ramp, bear right, Rte. 105 South.
  • 1/4 mile ahead on left, turn left in driveway with green and white Lakeville Corporate Park sign. This is Riverside Drive.
  • MassDEP SERO headquarters is the second red brick office building on the right.

Driving from the South

  • Take Route 24 N to Route 495 S (exit 14A) toward Cape Cod.
  • Take Exit 4 off 495S, (Rte. 105, Middleborough Center, Lakeville).
  • At the bottom of the ramp, bear right, Rte. 105 South.
  • 1/4 mile ahead on left, turn left in driveway with green and white Lakeville Corporate Park sign. This is Riverside Drive.
  • MassDEP SERO headquarters is the second red brick office building on the right.

Driving from Cape Cod

  • Take Route 495N to Exit 4 (Rte. 105, Middleborough Center, Lakeville).
  • At the bottom of the ramp, take a left onto Rte. 105 South.
  • 1/4 mile ahead on left, turn left in driveway with green and white Lakeville Corporate Park sign. This is Riverside Drive.
  • MassDEP SERO headquarters is the second red brick office building on the right.

Cape Cod Office - Business Hours

Monday, Wednesday & Friday from 9:00 AM to 5:00 PM

Directions to Barnstable Office

  • Take US Route 6 to Exit 6 - Route 132 towards Hyannis
  • Continue for 1.7 miles and turn left onto Phinney's Lane. Continue for 0.5 miles and take a left at the 2nd set of lights which is
    Rt. 6A - Main St. in Barnstable Village.
  • The office is located on the left side within the Barnstable County Complex at 3195 Main St. The DEP Office & Parking is at the top of the hill at the rear of the property.

Contacts 

Main office (Lakeville) Phone & Email

    Main telephone: 508-946-2700
    Main fax: 508-947-6557
    Service Center / Permit Assistance: 508-946-2714

    Email: Service.Center@state.ma.us

Cape Cod office (Barnstable) Phone & Email

    Main telephone: 508-277-1661
    Main fax: 508-946-2865

    Email: Service.Center@state.ma.us

File Review & Public Records Request 

Lakeville Office

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 ). Please review the File Review Procedures below and then request an appointment either by:

File Review telephone: 508-946-2718
Service Center Main telephone: 508-946-2714
Service Center fax: 508-946-2865
Service Center email: Service.Center@state.ma.us

Barnstable Office

The public may review the MassDEP Southeast Region's non-confidential files in Barnstable by appointment. Please review the File Review Procedures below and then request an appointment either by:

File Review and Service Center telephone: 508-277-1661

File Review and Service Center fax: 508-946-2865

Service Center email: Service.Center@state.ma.us

File Review Procedures

Important Information: You may request up to eight file folders during one appointment. The request should be organized and complete to ensure the correct files are provided, so please research your site(s) before requesting an appointment.

Appointments are only established once you receive a confirmation from Service Center. If the Service Center does not respond to your inquiry within a reasonable time, please re-submit your request.

For phone requests, the voice messaging system will prompt you to leave specific information. We will locate the requested files and confirm the date and time of your appointment within 10 days as required by regulation.

For online, written and faxed requests, your appointment will be confirmed by a phone call or email within 10 days.

Seats are limited and customers are served on a first come - first served basis.

Photo copies and faxes are available for 20 cents per 8" x 11" page. Fees vary for other size pages.

Only checks will be accepted and should be made payable to Commonwealth of Massachusetts. There is a $15 fee for returned checks.

Arrangements can be made to have files sent out to a copy service, which is recommended for any large documents.

If you are unable to keep your appointed time, you must call and cancel your appointment by 12 noon the previous business day.

NOTE: You can also obtain site information from MassDEP's Website.

Required Information

All requests must include:

    1. Your name
    2. Company name
    3. Telephone number
    4. Relevant information as detailed below:

For 21 E and Standard Release Report files supply the

  • City/town
  • Street address
  • Site name (if applicable)
  • DEP Site/RTN # (if known)

For All Others (RCRA, Solid Waste, Right to Know, TURA, Air Quality, Wetlands, Water Supply, Water Pollution) be as specific as possible and supply the

  • File # if known
  • Complete name
  • Complete address (business or residence)

Local Assistance

Regional Profile 

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 North & Taunton Rivers, the only two 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.

Facilities, Projects & Sites of Interest 

SERO Compliance Assistance Pilot: Autobody Shops in Dennis and Fall River

Contact Information:

Cathy Kiley (508) 946-2839 or cathy.kiley@state.ma.us
Deneen Simpson (508) 946-2745 or deneen.simpson@state.ma.us