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Per- and Polyfluoroalkyl Substances (PFAS) 

Learn about a group of contaminants in the environment, 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.

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.

MassDEP Employment & Internships 

Find employment and internship opportunities at the Massachusetts Department of Environmental Protection

Recycling & Reuse 

Information about recycling, donation, and household hazardous waste programs and services in your community or area.

Septic Systems & Title 5  

Many homes in Massachusetts have underground wastewater management systems called septic tanks. Title 5 rules specify how these systems should be installed, used, and maintained.

MassDEP Permitting & Reporting 

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

Water Resources 

Find information on MassDEP's water quality programs.

Climate & Clean Energy 

MassDEP's clean energy and climate action efforts

Environmental Justice  

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

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.

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.

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.

MassDEP Public Records Request 

Learn how to request public records from the Massachusetts Department of Environmental Protection (MassDEP).

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