Documents detailing California’s 2004-2006 Section 303(d) List of Impaired Waters.
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- EPA’s May 2008 Revised Decision for Microcystin Toxins in Klamath River (California's 2004-2006 Section 303(d) List of Impaired Waters) (PDF)(1 pg, 52 K, May 29, 2008)
- EPA’s Responsiveness Summary for Microcystin Toxins in Klamath River (California's 2004-2006 Section 303(d) List of Impaired Waters) (PDF)(8 pp, 563 K)
- EPA’s March 2008 Decision for Microcystin Toxins in Klamath River (California's 2004-2006 Section 303(d) List of Impaired Waters) (PDF)(14 pp, 115 K, March 13, 2008)
- EPA's Partial Approval Letter and Enclosure (California's 2004-2006 Section 303(d) List of Impaired Waters) (PDF)(9 pp, 124 K, November 30, 2006)
- EPA's Partial Disapproval Letter and Enclosures (California's 2004-2006 Section 303(d) List of Impaired Waters) (PDF)(23 pp, 224 K, March 8, 2007)
- EPA's Final Decision (California's 2004-2006 Section 303(d) List of Impaired Waters) (PDF)(22 pp, 338 K, June 28, 2007)