Emergency Numbers
To report an environmental emergency, please call (866) 633-4686.
Concern | Days | Nights/Weekends |
Air Pollution Violations | 410-537-3215 | 866-MDE GO TO |
Fish Kills and Algae Blooms | 800-285-8195 | 866-MDE GO TO |
Hazardous Material & Oil Spills | 866-633-4686 | 866-MDE GO TO |
Mining | 410-537-3557 | 866-MDE GO TO |
Public Sewer Leaks/Overflows | 410-537-3510 | 866-MDE GO TO |
Public Water Supply Problems | 410-537-3702 | 866-MDE GO TO |
Radiation Accidents or Safety Violations | 410-537-3300 | 866-MDE GO TO |
Sediment, Wetland | 410-537-3510 | 866-MDE GO TO |
Underground Tank Leaks | 410-537-3442 | 866-MDE GO TO |
Air and Radiation Administration
Director | 410-537-3255 |
Air Quality Compliance | 410-537-4225 |
Ambient Air Monitoring | 410-537-3280 |
Air Quality Permit | 410-537-3230 |
Air Quality Planning | 410-537-4219 |
Asbestos | 410-537-3200 |
Climate Change | 410-537-3094 |
Mobile Sources | 410-537-3270 |
Radiological Health | 410-537-3300 |
Land and Materials Administration
Director | 410-537-3304 |
Animal Feeding Operations (CAFOs and MAFOs) | 410-537-3314 |
Food Diversion Law | 410-537-3314 |
Hazardous and Medical Waste Information | 410-537-3314 |
Lead Poisoning Prevention, 1-800-776-2706 | 410-537-4199 |
Mine Operations Permitting (Coal) | 301-689-1440 |
Oil Control | 410-537-3442 |
Recycling | 410-537-3314 |
Scrap Tire Licensing | 410-537-3314 |
Solid Waste, Scrap Tire and Sewage Sludge Complaints | 410-537-3315 |
Sewage Sludge Permits | 410-537-3314 |
Solid Waste Permits | 410-537-3315 |
Brownfields/Voluntary Cleanup | 410-537-3437 |
Community Right to Know Information | 410-537-3800 |
Water and Science Administration
Director | 410-537-3567 |
Financial Assistance Programs | 410-537-3574 |
Individual Wells | 410-537-3784 |
Inspection and Compliance | Daytime: 410-537-3510 Nights/Weekends: 866-MDE GO TO |
Sediment, Stormwater & Dam Safety Program | 410-537-3543 |
Water Supply Program | 410-537-3702 |
Sewage Disposal Systems | 410-537-3778 |
Wastewater Permit Program | 410-537-3599 |
Wetland Permitting | Tidal: 410-537-3571 Non-Tidal: 410-537-3456 |
Regulatory Services | 1-800-876-0200 |
TMDL | 410-537-3902 |
Public Bathing Beaches | 443-610-0433 |
Shellfish Certification | 410-537-3614 |
Field Investigations and Environmental Response Program | 443-482-2700 |
24-Hour Information
Shellfish Certification: Information on Conditional Restrictions (Recording) | 410-537-3614 |
General Numbers
Information Toll Free | 410-537-3000 800-633-6101 |
Environmental Justice Program | 410-537-3471 |
Minority Business Enterprise Program | 410-537-3964 |
Office of Communications | 410-537-3003 |
Public Information Act Requests | 410-537-4120 |
MDE Field Offices
Central Maryland | Baltimore: 410-537-3000 Annapolis: 443-482-2700 |
Western Maryland | Frostburg: 301-689-5756 Hagerstown: 301-665-2850 |
Eastern Shore | Cambridge: 410-901-4020 |
County Health Services
County | Daytime | Night |
Allegany | 301-759-5040 | - |
Anne Arundel | 410-222-7050 | - |
Baltimore City | 410-396-4422 | 410-396-3100 |
Baltimore County | 410-887-3733 | - |
Calvert | 410-535-3922 | - |
Calvert - (D.C. Area) | 301-855-1557 | - |
Caroline | 410-479-8045 | - |
Carroll | 410-876-1884 | - |
Cecil | 410-996-5160 | - |
Charles | 301-609-6900 | - |
Dorchester | 410-228-1167 | - |
Frederick | 301-600-1719 | - |
Garrett | 301-334-7760 | 301-334-1929 |
Harford | 443-643-0300 | 410-838-6600 |
Howard (Main Office) | 410-313-2640 | - |
Kent | 410-778-1350 | - |
Montgomery | 240-777-7700 | - |
Prince George's | 301-883--5834 | 301-350-9735 |
Queen Anne's | 410-758-2281 | - |
St. Mary's | 301-475-4321 | - |
Somerset | 443-523-1730 | - |
Talbot | 410-770-6880 | - |
Washington | 240-313-3400 | - |
Wicomico | 410-546-4446 | - |
Worcester | 410-632-1220 | - |
Related Resources
