Aquatic Life Criteria - Copper

2007 Update

EPA issued a revised national recommended freshwater aquatic life criterion for copper (Aquatic Life Ambient Freshwater Quality Criteria—Copper 2007 Revision). As a companion to the criteria document, EPA has also released documents to supplement training materials and help states, tribes, permittees, and other interested stakeholders on implementing the nationally recommended criteria.

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• Aquatic Life Ambient Freshwater Quality Criteria—Copper 2007 Revision (February 22, 2007)
  • Fact Sheet (February 22, 2007)
  • Federal Register Notice (February 22, 2007) | Print Version (PDF) (3 pp, 88K)
  • Supplementary Training Materials about the Ambient Water Quality Criteria for Copper
  • Supplementary information relevant to assessing data needed for inputs to the BLM (PDF) (6 pp, 192K). Note: This does not replace EPA's guidance materials on implementing the BLM.

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Note: EPA no longer updates this information, but it may be useful as a reference or resource.

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• 2003 Update of Ambient Water Quality Criteria for Copper
• Document: Streamlined Water-Effect Ratio Procedure for Discharges of Copper (PDF) (41 pp, 118K) (March 2001)