Partial Approval and Partial Disapproval of Oregon 2012 303d List
After considering comments received from the public, EPA revised its 2016 partial approval/partial disapproval action and identified a total of 999 water quality limited segment/pollutant pairs (WQLS) for inclusion on Oregon's 2012 303(d).
Rationale and data for EPA's decision are provided under "Documents" below.
EPA accepted public comments this action from December 22, 2016, to April 3, 2017.
Documents
Please note that some enclosures and appendices are provided as spreadsheet files (see yellow sidebox).
2018 Enclosures
- Enclosure 3 (2018): Site-Specific Response to Comments (Excel) (xlsx)
- Enclosure 4 (2018): EPA Additions to OR 2012 303d List (Excel) (xlsx)
- Enclosure 5 (2018): TMDL Litigation Waters to be Placed in Category 5 (Excel) (xlsx)
- Enclosure 6 (2018): Waters Not Listed (Excel) (xlsx)
2016 Enclosures
- Enclosure 4 (2016): EPA Proposed Additions (xlsx)
- Enclosure 5 (2016): EPA Data Sources (xlsx)
- Enclosure 7 (2016): TMDL Litigation Waters (xlsx)
- Appendix A (2016): Harmful Algal Blooms (xlsx)
- Appendix B (2016): Aquatic Weeds (xlsx)
- Appendix C (2016): Biocriteria (xlsx)
- Appendix D (2016): Chorophyll A (xlsx)
- Appendix E (2016): Dissolved Oxygen (xlsx)
- Appendix F (2016): E coli (xlsx)
- Appendix G (2016): Enterococci (xlsx)
- Appendix H (2016): pH (xlsx)
- Appendix I (2016): Phosphorus (xlsx)
- Appendix J (2016): Temperature (xlsx)
- Appendix K (2016): Toxics (xlsx)
- Transmittal Letter (2018): Partial Approval/Partial Disapproval of Oregon's Final 2012 303(d) List (pdf)
- Enclosure 1 (2018): EPA Rationale for Action to Approve Oregon’s 2012 With No Listings for Aquatic Life Impairments in Marine Waters and Action to Add Waters to Oregon’s 2012 303(d) List (pdf)
- Enclosure 2 (2018): Response to Comments (pdf)
- Transmittal Letter (2016): Partial Approval/Partial Disapproval of Oregon's Final 2012 303(d) List (pdf)
- Enclosure 1 (2016): Review of Oregon's 2012 Integrated Report (pdf)
- Enclosure 2 (2016): Request for Public Comment on Ocean Acidification Impacts in Oregon Marine Waters (pdf)
- Enclosure 3 (2016): Disapproved Delistings EPA Proposes for Category 5 (pdf)
- Enclosure 6 (2016): EPA Listing Methodology for Oregon 2012 303(d) List (pdf)
- Enclosure 8 (2016): EPA Corrections to ODEQ 2012 (pdf)