Regulations open for comment
Proposed Amendment to 310 CMR 7.00 Appendix C Operating Permit and Compliance Program
Public Hearing: September 30, 2025 at 10:00 AM and 6:00 PM via Zoom. Registration required. (See notice)
Public Comment Period: Ends October 10, 2025
Notice: English | Español | Tiếng Việt | Chinese | Kreyòl Ayisyen | Português
Background Document
Amendment
Policies & guidance open for comment
Comment is closed at this time.
Programs, plans & reports open for comment
Comment closed at this time.
Permits and approvals
Postings closed for comment
For reference: The following archive is a subset of public comment postings over the past year.
Draft 2025 Air Monitoring Network Plan Public Notice
Public Comment Closed July 7, 2025
Notice: English | Haitian Creole | Khmer | Portuguese | Spanish | Simplified Chinese | Traditional Chinese
Draft 2025 Air Monitoring Network Plan
2025 Attachments 2&3: Site Measurements and Measurement Methods
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Commonwealth's Draft 2023 Greenhouse Gas (GHG) Emission Factors for Retail Sellers of Electricity
Public Comment Closed on July 3, 2025
Notice: English | Português | 中文 | 中文(繁體) | Kreyòl Ayisyen | Tiếng Việt | Kriolu
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Public Comment Notice - BESS - EV Charger Guidance
Public comment Period Closed June 11, 2025
Notice: English
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Proposed Amendments to 310 CMR 7.00 and 310 CMR 6.00 Primary PM2.5 and Secondary SO2 NAAQS
Public Hearing: April 29, 2025 at 10:00 AM and 6:00 PM via Zoom. Registration required. (See notice)
Public Comment Period Closed May 9, 2025
Notice: English | Español | Português | Kreyòl Ayisyen | 中文 | 中文(繁體) | ប្រទេសកម្ព ុជ | Tiếng Việt | Kriolu Kabuverdianu | اَلْعَرَبِيَّةُ | русский | Français
Background Document
Amendments
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MassDEP Listening Session: South Coast Renewables, LLC
Proposed Solid Waste Handling and Transfer Facility
Scope: Updated Traffic Impact Information in response to MassDEP’s July 10, 2024, Request for Information
Date and Time: November 13, 2024 at 6:00 PM
Location: Pulaski Elementary School, 1097 Braley Road, New Bedford, MA 02745
Notice also available in Kriolu | Português | Español
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Public Meeting Notice: Conservation Law Foundation Petition
Tuesday, October 29, 2024 at 6:00 PM
Notice: English | Kriolu | 中文 | Kreyòl Ayisyen | ភាសាខ្មែរ | Português | Español | Tiếng Việt
Petition: English
Presentation: MassDEP's Meeting Presentation
Response: MassDEP's Response to the CLF Petition for Rulemaking