The Umpqua Basin

Positive actions are being undertaken and accomplished to improve water quality in the Umpqua River and its tributaries. We appreciate your interest and involvement. Together we can work towards a better river environment for everyone.

Thermal Infrared (TIR) Remote Sensing Survey Reports

• 2001 Aerial Surveys in the North Umpqua River Basin PDF 1.0mb
• Appendix A - Selected Images PDF 3.3mb
   
• 2003 Aerial Surveys in the Umpqua River Basin PDF 6.9mb

Umpqua Basin

TMDL Approved by the US Environmental Protection Agency (EPA) on April 12, 2007

• TMDL Order Memorandum - October 31, 2006 PDF
   
• Executive Summary and Table of Contents PDF
• Chapter 1: Overview and Background PDF
• Chapter 2: Bacteria TMDL PDF 1.8mb
• Chapter 3: Stream Temperature TMDL PDF 13.7mb
• Chapter 4: Algae/Aquatic Weeds, Dissolved Oxygen and pH TMDL PDF 2.6mb
• Chapter 5: Biological Criteria TMDL PDF
• Chapter 6: Diamond Lake and Lake Creek Aquatic Weeds, Dissolved Oxygen and pH TMDL PDF
• Chapter 7: Water Quality Management Plan (WQMP) PDF 3.5mb
• Appendices Cover Page PDF
• Appendix 1: Bacteria TMDL Supplemental Information PDF
• Appendix 2: Stream Temperature TMDL Supplemental Information PDF 19.9mb
• Appendix 3: Algae/Aquatic Weeds, Dissolved Oxygen and pH TMDL Supplemental Information PDF 1.8mb
• Appendix 4: Diamond Lake TMDL Supplemental Information PDF 3.0mb
   
• Response to Public Comments PDF

Little River Watershed

TMDL approved by EPA on January 29, 2002

• Addendum - Clarifications to the Little River TMDL PDF
   
• Total Maximum Daily Load (TMDL) PDF 1.8mb
• Appendix A: Stream Temperature Model PDF 1.2mb
• Appendix B: pH Modeling Report PDF
• Appendix C: Federal Water Quality Restoration Plan PDF 4.5mb
• Appendices D, E and F: Implementation Plans PDF
   
• Response to Public Comment PDF

Contact Information

• Umpqua Basin Coordinator: David Waltz  e-mail  541-687-7345  Eugene



• DEQ Western Region Office Information
• Basin Coordinator List PDF