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 MDE.WEBMASTER@maryland.gov or call the relevant program listed at MDE's Numbers to Know. You may also use the form provided here.
1800 Washington Boulevard, Baltimore, MD 21230