If you suspect an illicit discharge is being released or is likely to run into the storm sewer system, please report it by phone or online:

• During normal business hours of Monday through Friday 8 a.m. to 4:30 p.m., contact the County at 301-645-0692.  
  
  
• During non-business hours, please call the Maryland Department of the Environment’s toll-free 24-Hour emergency number for pollution problems in Maryland at 866-633-4686, or 866-MDE-GOTO.  
  
  
• Or submit an online complaint form below.
  
  

Submit a Property or Structure Complaint Form