California Environmental Reporting System: Business

CERS is a statewide, web-based system to support businesses and Unified Program Agencies with electronically reporting, collecting, and managing hazardous materials-related data as mandated by the California Health and Safety Code.

To learn more about CERS and the Unified Program, see CERS Central.

CERS Business Sign-In

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New to CERS?

To start reporting on your facility(s) in CERS, create a CERS account.

Create New Account  

Want to experiment with CERS?
Use the Business Training Portal to learn how to use CERS by creating and managing test data before starting your official facility reporting. Go to CERS Business Training

Are you a CERS Regulator?
Sign in to the CERS Regulator Portal, or visit CERS Central