Little Bear Creek in King County, Washington.  Photo courtesy of Dave Garland, Department of Ecology.

Information on the 2004 Water Quality Assessment Process

Unless otherwise specified, the following documents are available in Adobe Acrobat (.PDF file) format. To view and/or print PDF files, you first will need to download and install Adobe Acrobat Reader from this link.

  1. Focus Sheet on the Water Quality Assessment
  2. Overview of the 303(d) Program
  3. Water Quality Policy 1-11
    1. Additional clarifications of the assessment criteria for temperature and dissolved oxygen
    2. Additional clarifications of the binomial distribution method
  4. Data that Ecology used to conduct the Assessment
    1. List of data submitters
    2. Published Studies
  5. Summary information from the Water Quality Assessment and 2004 candidate 303(d) list submitted for EPA approval
  6. Prioritization of 303(d) listed waters
  7. Background Information on the Water Quality Assessment Process
    1. EPA 2004 Integrated Report Guidance (EPA website)
    2. Working together to Achieve Clean Water: A Progress Report (Ecology Publication)

Differences between the recent 303(d) lists

 

 

Contact us for more information

 

 

 

 

Last updated December 2005