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|Water Quality
Water Quality Permit Program
| WQ Info Guides: | ||
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Clean Water Services (CWS) Watershed-based NPDES Permit
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Watershed-based NPDES Permit (includes Phase I MS4 modifications
issued July 27, 2005) PDF
- Permit Evaluation Report PDF
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Supplemental Permit Evaluation Report (for Phase I MS4
modifications issued July 27, 2005) PDF
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Response to Comments Tualatin River Watershed-based NPDES Permit
PDF
- Revised Temperature Management Plan - February 28, 2005 PDF
- Appendix A: Draft Temperature Management Plan - October 30, 2003 PDF
- Appendix B: Thermal Budget Explained PDF
- Appendix C: The Enhanced CREP PDF
- Appendix D: VEGBACC Program Description PDF
- Appendix E: Shade Priority Area Map PDF 1.5mb
- Appendix F: 3.02 Sensitive Area and Vegetated Corridor Standards PDF
- Appendix G: Table 1 - Plant Communities for Revegetation PDF
- Appendix H: Integrated Vegetation and Animal Management Guidance PDF 3.5mb
- Appendix I: Sample Revegetation/Maintenance Schedule PDF
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Appendix J: Bibliography PDF
- CWS Revised Temperature Management Plan - Comments and Responses PDF
Annual reports
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Temperature Management Plan and Water Quality Credit Trading
Combined Annual Report PDF
Period commencing February 26, 2004 and ending February 28, 2005
Additional information
- Water Quality Credit Trading in Oregon: A Case Study Report PDF
- Oregon DEQ Water Quality Credit Trading Information
- Tualatin River Total Maximum Daily Load documents - 2001
- Clean Water Services Web site
- US EPA - Watershed-based NPDES permitting information
- US EPA Region X - Water quality trading information and assessment handbook
For more information about Water Quality Trading contact Ranei Nomura by phone at (541) 686-7799 or by e-mail or contact Sonja Biorn-Hansen by phone at (503) 229-5257 or by e-mail .
Projects and Programs Publications and Forms Laws and Regulations Public Notices Permits and Licenses Databases
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