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2004 Water Quality Assessment Process
Information on the 2004 Water Quality Assessment Process
The 2004 list is available for informational and
reference use only.
Use the most recent 303(d) list to be
approved by EPA for the
purposes of writing discharge permits, watershed characterization, financial
assistance funding, TMDL prioritization, and TMDL implementation.
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.
- Overview of the 303(d) Program
- Water Quality Policy 1-11
- Additional clarifications of
the assessment criteria for
temperature and
dissolved oxygen
- Additional clarifications of
the
binomial distribution
method
- Data that Ecology used to conduct
the Assessment
- List of data
submitters
- Published Studies
- Summary information
from the Water Quality Assessment and 2004 candidate 303(d) list submitted
for EPA approval
- Prioritization
of 303(d) listed waters
- Background Information on the Water Quality Assessment Process
- EPA
2004 Integrated Report Guidance (EPA website)
- Working together to Achieve Clean Water:
A Progress Report
(Ecology Publication)
- EPA approval letter for the 2004
Assessment (PDF)
Back to Differences between the recent 303(d)
lists
Contact us for more information
Last updated February 2009
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