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Draft Integrated Report

Draft 2026 Integrated Report – now available for review

Oregon's draft 2026 Integrated Report on Surface Water Quality and 303(d) List of Impaired Waters is now available for comment. DEQ will be accepting comments on the Draft 2026 Integrated Report, including assessment results and Total Maximum Daily Load priority rankings, through 5 p.m., Friday, July 17, 2026. 

Public involvement

DEQ will hold a webinar to walk through updates and conclusions from the draft 2024 Integrated Report and to provide technical assistance for reviewing and providing comments on the report.

Draft 2026 Integrated Report Webinar
June 4, 2026, 10 a.m.
Register via Zoom

Online tools to access the draft 2026 Integrated Report

  • The “How to review Oregon's Integrated Report" story map provides an overview of the water quality assessment process and how to review the draft report.
  • An interactive web map application displays the Integrated Report by overall status of an assessment unit.
  • An online searchable database provides parameter specific categorical assessment conclusions for all assessed assessment units.

Supporting information

​Assessment methodology comment period

The comment period for DEQ's proposed methodology for developing the 2026 Integrated Report, officially referred to as the Draft Assessment Methodology was open from March 25 to May 27, 2025.

Assessment methodology webinar

DEQ hosted a public webinar on April 2, 2025 to provide more information about the technical aspects of the assessment methodology. 

Call for data submissions 

DEQ accepted data submissions to consider as part of the 2026 Integrated Report from March 25 to May 27, 2025. Visit the Call for Data web page for more information, including data submission templates.​


Contact

Lesley Merrick
WQ Assessment Program Lead
971-323-7228 

Travis Pritchard
WQ Assessment Data Analyst
503-887-4346

Daniel Brown
Laboratory Data Lead
971-323-7227

Connie Dou 
WQ Standards and Source Water Protection and Assessment Manager
503-853-6517