EPA Region 10 Water Temperature Guidance
Regional Water Quality Standards Information
You will need Adobe Acrobat Reader to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader
This guidance recommends temperature water quality standards for the protection of Northwest native salmon and trout.
Region 10 Guidance for Pacific Northwest State and Tribal Temperature Water Quality Standards (PDF) (57 pp, 200K) - April 2003
Background and Goals
Public Review Draft Guidance/Fact Sheets