Massachusetts Department of Environmental Protection

The Massachusetts Department of Environmental Protection (MassDEP) is a state agency within the Executive Office of Energy and Environmental Affairs responsible for protecting the environment and public health. Its duties include regulating air and water quality, managing solid and hazardous waste, overseeing the cleanup of contaminated sites, and preserving wetlands and coastal resources. The agency also administers various grant programs to support municipalities and organizations in waste reduction, recycling, and other environmental initiatives.