Water Quality Standards in the Pacific Northwest and Alaska
Regional Water Quality Standards Information
WQS Home
Recent Actions and Request for Comments
There are no request for comments active at this time.
Guidance and Methodology
Guidance for Pacific Northwest State and Tribal Temperature Water Quality Standards
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.