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.

ALERT: CERS will be unavailable Friday 4/25 5pm though Saturday 4/26/2014 5pm for maintenance.

CERS Business Sign-In

You have errors on your form!

New to CERS?

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

Create New Account   View Create CERS Account VideoWatch Demo Video


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