The Department of Environmental Protection (DEP) is responsible for protecting and restoring Maine's natural resources and enforcing the state's environmental laws.

The agency's charge is to preserve, improve and prevent diminution of the natural environment of the State. The Department is also directed to protect and enhance the public's right to use and enjoy the State's natural resources.


Browse the Environmental Protection Collections:

Air Quality Documents

Environmental Education Curricula

Environmental Protection Documents

Land and Water Quality Documents

Remediation and Waste Management Documents