Water Quality Standards Publications and Guidance | Region 10 | US EPA

Jump to main content.


Water Quality Standards Publications and Guidance


Water Quality Standards - Authorities, Definitions and Considerations

An Approach to Developing Nutrient Criteria for Pacific Northwest Estuaries: A Case Study of the Yaquina Estuary, Oregon (PDF)

Guidance for Pacific Northwest State and Tribal Temperature Water Quality Standards

Principles to Consider When Reviewing and Using Natural Condition Provisions (PDF) (54 pp. 225K)

A Classification of Pacific Northwest Reservoirs with Respect to Nutrient Processing (EPA Region 10, March 2006) (PDF) (26 pp. 1MB) Presents one methodology to classify Pacific Northwest Reservoirs with respect to nutrient processing.

A Classification of Lakes in the Coast Range Ecoregion with Respect to Nutrient Processing (EPA Region 10, December 2005) (PDF). (46 pp. 1.8MB) Presents one methodology to classify natural lakes with respect to nutrient processing.


Local Navigation


URL: http://yosemite.epa.gov/r10/water.nsf/Water+Quality+Standards/WQS+R10+Docs

Jump to main content.