Oregon Waterbody Changes from 2004 to 2006
Causes of Impairment needing TMDLs in 2004 that no longer need TMDLs in 2006
No delisted causes of impairment reported.
Causes of Impairment in 2004 Attaining All Uses in 2006
No WQS attainments reported.
Features
- About This Database (Integrated Report)
- Assessing Water Quality (Questions and Answers)
- Integrated Reporting Guidance
- Previous National Water Quality Reports
- EnviroMapper for Water
- AskWATERS
- EPA WATERS Homepage
- Exchange Network
- Assessment Database
- Statewide Statistical Surveys
- How's My Waterway Local Search tool
- Pollution Categories Summary Document
![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif)