List of all Facilities with Filing Deadlines

A list of all facilities currently in MassDEP records with their Source Registration filing schedules and deadlines can be found in the file below. Note that the specific deadlines are included only for those due in 2011 (i.e., those filing 2010 data). However, the next year when Source Registration will be due is provided for all facilities.

Files below are for 2011 (rev 29 Mar 2011).
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Deadlines for Filing in 2011

MassDEP is spreading out the filing schedule for Source Registration submittals over several months in 2011 as shown below.

We are doing this to improve your experience on eDEP by preventing overload of the system, and to ensure that our SR Help Desk can provide the level of quality support that you need. We also hope that this will make the SR season somewhat easier for those who prepare multiple SRs.

We have published the due dates for each facility under filing schedules above. Each owner/operator of a facility required to file will also be informed of their filing schedule via a letter from MassDEP.

• Apr 15 - Operating Permit facilities due
• May 16 - Non-OP annual filers due (allowing 1 additional month to file beyond the regulatory deadline)
• Jun 1 - Deadline for a portion of the facilities filing every 3 years (see List of All Facilities for facility-specific deadlines) 
• Jul 15 - Deadline for a portion of facilities filing every 3 years (see List of All Facilities for facility-specific deadlines)

NOTE: if you were an Operating Permit facility during any portion of 2010, you will need to file a 2010 Source Registration, even if your classification changed or the facility closed.

EXCEPTIONS: If your MassDEP Permit requires that you file annually, then you must file this year regardless of the deadlines and lists posted here. If your permit requires you to file annually, then you must file by the latest time allowed for an annual filer, which for 2011 is May 16. Similarly, if you have received an enforcement document or other communication from MassDEP requiring you to file Source Registration, then you must abide by the provisions of that document, the postings on this web page notwithstanding.

Deferrals for 3-Year Filers

Filings by certain small combustion facilities are deferred until 2012 (reporting for calendar year 2011). Generally these are facilities whose emissions come from combustion units that run on natural gas or distillate oil and have a maximum input rate of less than 10 MMBtu/hr individually and 40 MMBtu/hr for the entire facility. This does not include facilities with process emission units or incinerators.

If you have any questions, please contact the Source Registration Help Desk.

Notice Letter for 2011

This is a generic copy of the letter mailed to facilities known to MassDEP that are required to submit Source Registrations in 2011 for calendar year 2010 data.
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