Hazardous Materials Division

The goal of the Hazardous Materials Division (HMD) is to protect human health and the environment. To accomplish this goal, the HMD regulates facilities that:

By law, every business in San Diego County involved in these activities must have a valid  Permit through the California Environmental Reporting System (CERS). You can find more details on our CERS information page. 

IMPORTANT. Please Read: Changes in the law might affect your facility reporting. Take a look at our list for Reporting Changes.

For more information, please visit our  CERS page. HMD Forms and HMD Guidance Documents are still available from any HMD webpage from the menu on the right side of the screen. 

Visit our Announcements page for updates on our Cost Recovery Proposal


Additional Services

Emergency Response   and    Border Inspections  are also important programs within HMD.  Both programs are collaborative efforts with local, state, federal and international agencies to protect the lives and health of all residents and visitors of San Diego County

Also within HMD is the Site Assessment and Mitigation program, which includes:

For More Information

Check out our brochures, available in multiple languages:

English Farsi
Spanish Dari
Tagalog Chinese
Vietnamese Somali