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Related Information

Know your water quality standards:

Easy-to-read version (Ecology publication)
Code Reviser version (Washington State Legislature page)
Supplemental spawning maps (Ecology publication)

The water quality standards are the foundation for other water quality programs such as:

Water Quality Assessments (also known as the 303(d) list)
Water Quality Improvement Projects (also known as TMDLs)
Ground Water Quality Standards Information
Dam Information:

Other related information:

Use Attainability Analysis
Wastewater Permits
Surface Water Quality Standards, 1997 version (repealed) (PDF)
Additional toxics information - download the file TSDCALC11.XLS (Ecology's Environmental Assessment Program document)
EPA Information:
- EPA's Water Quality Standards website
- Ambient Water Quality Criteria for Bacteria - 1986 (EPA document) (PDF)
- History of the Clean Water Act
Washington State’s Nutrient Control Plan
Focus On Clean Water: Getting to Clean Water (Ecology Publication)
www.ecy.wa.gov/biblio/1010079.html

Contact us for more information

Last updated February 2011

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