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CHS Manager

CHS Manager - Registration

Report your hazardous substances using our online hazardous substance reporting tool, the Oregon Community Right to Know Hazardous Substance Manager (CHS Manager). Please register for a user account to begin completing hazardous substance reports in the CHS Manager. 

This link will take you to the login/registration page for the CHS Manager tool. New facilities should register as a Reporting Facility/Business User during registration in CHS Manager. 

Annual Hazardous Substance Reporting

CHS Manager is open to receive reports between January 1 and March 1. Annual reports are due by March 1 of each year. These reports cover hazardous substance inventories for the reporting period of the previous calendar year (January 1 through December 31). 

Substantive Changes

Substantive changes are defined by the criteria below and must be reported to CHS Manager within 30 days as required by OAR 837-085-0100.

  • A change of ownership
  • A chance of site address or mailing address
  • Phone number changes
  • Change of emergency contact person
  • Introduction of new substances to the site in reportable quantities not previously reported
  • An increase in the amount of a substance being stored
  • A substance that moved to another building, another floor level, or 300 feet or more from its originally reported location 


Hazardous Substance Information Hotline:
503-378-6835 or 800-454-6125


Community Right to Know (CR2K) Helpdesk