Backflow Prevention Device Requirement

The Portland Water District's (PWD) Cross Connection Control Program has announced that effective January 1, 2019, it will extend the requirement of backflow prevention devices to:

  1. New residential construction;
  2. Substantial renovations of buildings and internal plumbing systems;
  3. Fire sprinkler systems that are being upgraded.

All commercial properties are still required to install and test backflow prevention devices. To view a brochure announcing this update, CLICK HERE.

To view more information on the changes and requirements of backflow prevention devices, please visit PWD online at