Who Must File Source Registration?  

Questions and answers about who is required to file Source Registrations

Source Registration Filing Schedules & Deadlines

When is your facility due to file? Filing deadlines for 2015 are listed. You can download a filing schedule for all Source Registration filers.

How to File: Tips, Factsheets, Instructions & Training

Read this first: What every filer must know. Quick start instructions for eDEP. Tips and guidance from the Help Desk. Complete line-by-line instructions for all Source Registration forms. Computer-based training. All filers should browse the Q&A.

eDEP Online Filing

A secure site for submitting environmental permits, transmittals, certifications, and reports electronically to MassDEP.

SCCs, Emission Factors & NAICS Codes

Valid Source Classification Codes (SCC) list. Link to EPA Emissions Factors and NAICS codes.

Regulations & Guidance for Source Registration

This page provides a link to 310 CMR 7.12, the regulations that set the criteria and schedules for filing of Source Registrations.

Source Registration Contacts & Help Desk

Phone numbers and e-mail for the Source Registration Help Desk and MassDEP Regional Office Data Managers(for changing facility names, ownership, and closures).