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Maryland State Government Maryland Department of the Environment


MDE staff are always on call during the regular workweek and on weekends, holidays and after normal working hours, to ensure that all environmental emergencies are promptly addressed.  You may report any environmental emergency that poses an immediate threat to the public health or the well-being of the environment such as oil and chemical spills or accidents causing releases of pollutants by calling toll free (866) 633-4686. Anonymous calls are accepted.

For non-emergency environmental concerns or situations that you believe threatens the environment, such as a trash dump, discarded waste tires,  or colored water in a stream, please email the webmaster at or call the relevant program listed at MDE's Numbers to Know. You may also use the form provided here.

Pollution Problem
Air Pollution Violations toll free (866) 633-4686
(866) MDE-GOTO
Fish Kills and Algae Blooms
Hazardous Material & Oil Spills
Public Sewer Leaks/Overflows
Public Water Supply Problems
Radiation Accidents or Safety Violations
Sediment, Wetland, Mining &
Underground Tank Leaks
Daily Air Quality Report (Recording) (410) 537-3247
Drought Hotline  toll free (877) 4DROUGHT
Recycling Hotline (Recording)  (800) I RECYCLE
Shellfish Waters: Information on
Conditional Restrictions (Recording)
(800) 541-1210

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