The State Organization Index provides an alphabetical listing of government organizations, including commissions, departments, and bureaus.
Top-requested sites to log in to services provided by the state
Learn how we protect our water, and find out about opportunities for your community to improve its water infrastructure.
Many homes in Massachusetts have septic systems. There are specific regulations about the installation, use and maintenance of these systems that you need to know.
Permits and approvals for compliance with wastewater regulations.
Find out how cities and towns use the State Revolving Fund Loan program to improve water infrastructure.
MassDEP's wastewater programs regulate discharges from treatment plants, industrial facilities, sewers, and other sources. This makes sure that our water remains safe from pollutants.
TMDLs are a key element of MassDEP's effort to clean up polluted waters in the Commonwealth.
Find laboratories certified by the Massachusetts Department of Environmental Protection (MassDEP) to analyze drinking water.
EEA offers various grants and loans for water projects.