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Plumbing Code Program


Dead Legs - Statewide Code Interpretation

January 2022 | A Statewide Code interpretation has been issued to clarify the requirements for dead legs, what constitutes a dead leg, and acceptable methods of flushing.

View the new code interpretation 

2021 OPSC - Errata

January 2022 | Errata has been issued for the 2021 OPSC.
View the issued errata

License clarification for sanitary sewer installation

January 2022 | A license clarification has been issued to clarify sanitary sewer installation licensing and scope of work.

View the new license clarification
View all issued license clarifications

Adopted codes and standards

The division works with building officials, technical committees, advisory boards, and the public to adopt, amend, and interpret the Oregon Plumbing Specialty Code (OPSC). This code applies to the installation, alteration, repair, relocation, and replacement of plumbing systems in commercial and residential buildings.

2021 Oregon Plumbing Specialty Code (OPSC)
Effective April 1, 2021
Based on the 2021 Uniform Plumbing Code (UPC)

Issued errata

Code update information

Are you a plumbing inspector? Get information about certification renewals

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