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Water Quality Standards
Web sites
- EPA Water Quality Standards Homepage
http://www.epa.gov/waterscience/standards/ - State, Tribal & Territorial Standards
http://www.epa.gov/waterscience/standards/wqslibrary/ - Water Quality Criteria
http://www.epa.gov/waterscience/criteria/ - Water Quality Criteria for Nitrogen and Phosphorus Pollution
http://www.epa.gov/waterscience/criteria/nutrient/ - Ecoregional Criteria
http://www.epa.gov/waterscience/criteria/nutrient/ecoregions/ - National Nutrients Database
http://www.epa.gov/waterscience/criteria/nutrient/database/index.html - EPA's National Nutrients Strategy
http://www.epa.gov/waterscience/criteria/nutrient/strategy/index.html - N-STEPS (Nutrient Scientific Technical Exchange Partnership and Support)
http://epa.gov/waterscience/criteria/nutrient/n-steps.html
Documents/Guidance
- Ecoregional Nutrient Criteria Documents for Lakes and Reservoirs
http://epa.gov/waterscience/criteria/nutrient/ecoregions/lakes/index.html - Ecoregional Nutrient Criteria Documents for Rivers and Streams
http://epa.gov/waterscience/criteria/nutrient/ecoregions/rivers/index.html - Nutrient Criteria Technical Guidance Manual: Estuarine and Coastal Marine Waters
http://www.epa.gov/waterscience/criteria/nutrient/guidance/marine/index.html - Nutrient Criteria Technical Guidance Manual: Rivers and Streams
http://www.epa.gov/waterscience/criteria/nutrient/guidance/rivers/index.html - Nutrient Criteria Technical Guidance Manual: Lakes and Reservoirs, First Edition
http://www.epa.gov/waterscience/criteria/nutrient/guidance/lakes/index.html - Water Quality Standards Handbook: Second Edition
http://www.epa.gov/waterscience/standards/handbook/