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State: Oregon
Waterbody ID:
Other ID: OR1227618456580_54.8_108
Location: 54.8 To 108 Miles
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size:
Units: miles
Watershed Name: Lower Columbia-Sandy Middle Willamette
On This Page
- Causes of Impairment
- TMDLs That Apply to This Waterbody
- Previous Causes of Impairment Now Attaining All Uses
State: Oregon
Waterbody ID:
Other ID: OR1227618456580_54.8_108
Location: 54.8 To 108 Miles
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size:
Units: miles
Watershed Name: Lower Columbia-Sandy Middle Willamette
2002 Waterbody Report for Willamette River
Click on the waterbody for an interactive map
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
Causes of Impairment for Reporting Year 2002
Description of this table
| Cause of Impairment | Cause of Impairment Group | State TMDL Development Status |
|---|---|---|
| Biological Criteria | Cause Unknown - Impaired Biota | TMDL needed |
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | TMDL needed |
| Fecal Coliform | Pathogens | TMDL completed |
| Iron | Metals (other than Mercury) | TMDL needed |
| Mercury | Mercury | TMDL completed |
| Temperature | Temperature | TMDL completed |
TMDLs That Apply to this waterbody
Description of this table
| TMDL Document Name | TMDL Date | TMDL Pollutant Description | TMDL Pollutant Source Type | Cause(s) of Impairment Addressed |
|---|---|---|---|---|
| Willamette Basin Tmdl | Sep-29-2006 | Biochemical Oxygen Demand (BOD) | Nonpoint Source | Temperature; Mercury; Fecal Coliform |
| Willamette Basin Tmdl | Sep-29-2006 | DDT | Nonpoint Source | Fecal Coliform; Temperature; Mercury |
| Willamette Basin Tmdl | Sep-29-2006 | Dieldrin | Nonpoint Source | Fecal Coliform; Temperature; Mercury |
| Willamette Basin Tmdl | Sep-29-2006 | Escherichia Coli (E. Coli) | Point/Nonpoint Source | Mercury; Temperature; Fecal Coliform |
| Willamette Basin Tmdl | Sep-29-2006 | Mercury | Point/Nonpoint Source | Temperature; Mercury; Fecal Coliform |
| Willamette Basin Tmdl | Sep-29-2006 | Temperature | Point/Nonpoint Source | Fecal Coliform; Mercury; Temperature |
| Willamette Basin Tmdl | Sep-29-2006 | Turbidity | Nonpoint Source | Fecal Coliform; Temperature; Mercury |
Previous Causes of Impairments Now Attaining All Uses
No causes of impairment are recorded as attaining all uses for this waterbody.