Environmental Protection and Sustainability
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Alerts and Advisories

Air Quality

Clean Air Partners, in cooperation with the Maryland Department of the Environment provides real-time air-quality information and forecasting for the Baltimore-Washington metropolitan region.

Chesapeake Bay Critical Area Digital Map Public Comments

Baltimore County is proposing to update and replace the existing Official Chesapeake Bay Critical Area Map and existing Chesapeake Bay Critical Area Modified Buffer Area maps for Baltimore County with digital maps and an associated geodatabase. Read about the public hearing (PDF) and view digital maps.


The Maryland Department of the Environment (MDE) closely monitors drought conditions throughout the state. The current status on drought conditions are provided by MDE. Water use restrictions are only in effect when a drought emergency has been officially declared.

Water Quality

The Baltimore County Health Department routinely monitors recreational waters and beach areas for water quality. If elevated or unsafe levels of bacteria are detected, water contact alerts and advisories and public beach closures will be issued for affected areas.

Revised June 15, 2015

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