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Maryland State Government Maryland Department of the Environment

Citizens Information Center

The people of Maryland are at the heart of the State's environmental management. Over the past three decades or so, the people have spoken clearly and repeatedly of their desire for a healthy environment.

Reducing greenhouse gas emissions while supporting Maryland jobs.

Outreach, Education & Events

MDE's Outreach program assists in communicating the agency's mission to protect Maryland's air, land and water.  This is accomplished through various educational events throughout the year.  Vist our Outreach page to learn more about our exhibits, events and how you can volunteer.


NEW! Tawes Awards for a Clean Environment

NEW! Environmental Science Student Award & Internship

Smart, Green & Growing Award for Innovations in Stormwater Management

Programs In-Focus

Other Citizen-Focused Programs & Services

Citizen Participation

MDE is committed to assuring public participation and stakeholder involvement in all the Department's activities.

Corsica River Initiative

The Corsica River Initiative is nationally recognized for its Watershed Plan and restoration effort that coninues to receive attention for its outstanding contributions in research, monitoring and implementation.

Emergency Response

MDE’s Emergency Response Division (ERD) prepares for and responds to emergencies involving oil and hazardous chemical spills, nuclear power plant incidents, and other environmental crises. ERD exists to protect public safety and the environment through careful planning, training, and expert application of emergency response mechanisms to minimize impacts on human health and the environment.

Environmental Justice

This site highlights the activities of the Commission on Environmental Justice and sustainable Communities and the Department towards creating healthy, safe, economically vibrant, environmentally sound communities for all Marylanders in a manner that allows for democratic processes and community involvement.

Environmental Emergencies

Every day in Maryland thousands of individuals work with substances which are potentially harmful to our environment. When proper care fails and accidents happen, the Maryland Department of the Environment's Emergency Response Team is called into action.

Public Information Act (PIA)

The PIA process, which includes an improved internal tracking system, consistent procedures and fee structure agency-wide, includes acceptance of information requests via electronic mail.


For general inquires call 410-537-3000 or 800-633-6101
For more information on a specific MDE program or environmental emergency, view our Numbers to Know