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Per- and Polyfluoroalkyl Substances (PFAS) 

Learn about a group of contaminants in the environment called Per- and polyfluoroalkyl substances (PFAS). Find out where they have been found and what Massachusetts is doing to address them.

Find Out About a Contaminated Property 

Find locations and details about oil and hazardous material disposal sites in Massachusetts.

MassDEP Employment & Internships 

Find jobs and internships at MassDEP

Air Monitoring in Massachusetts 

Get daily air quality updates and forecasts. Learn about our statewide air monitoring network. Find air quality data and learn about long-term trends.

Septic Systems & Title 5  

Many homes in Massachusetts have septic systems. Title 5 rules specify how to install, use, and maintain these systems.

Recycling & Reuse 

Throw away less, recycle more, and donate items that others can use.

MassDEP Fees & Payments 

Contacts for fees & billing inquiries. Annual compliance fees. Billing questions & help.

MassDEP Permitting & Reporting 

Apply for permits and approvals, certify environmental compliance, or submit required periodic reports.

Environmental Justice  

All people have a right to be protected from environmental hazards and to live in and enjoy a clean and healthful environment.

Clean Energy Results Program 

A joint effort by MassDEP and DOER to advance environmental protection through renewable energy and energy efficiency projects

Research & Standards 

The Office of Research and Standards (ORS) provides scientific expertise to MassDEP in environmental health, toxicology, standard setting, ecological and human health risk assessment, chemistry and statistics.

MassDEP Public Records Request 

Learn how you can find environmental information online, request public records or schedule a file review at MassDEP

Office of Appeals and Dispute Resolution 

Find out how to file an appeal of a MassDEP decision through the Office of Appeals and Dispute Resolution. Look up a recent MassDEP Final Decision.

Municipal Partnerships & Governmental Affairs  

The Office of Municipal Partnerships and Governmental Affairs (OMPGA) helps local governments address their environmental concerns.