Lake Billy Chinook Metolius Arm is a mesotrophic lake in Jefferson County, Oregon. Water quality is graded B based on 1 sampling years through 2021. Compared to the 14 other monitored lakes in Jefferson County, Lake Billy Chinook Metolius Arm ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Oregon DNR, last sampled 2021-10-20. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
No clarity data. Chlorophyll-a: 5 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 5 µg/L | B |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lake Billy Chinook Metolius Arm
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Fishing Lake Billy Chinook Metolius Arm
Location
County Ranking
Ranked #2 of 15 lakes in Jefferson County
Nearby Lakes in Jefferson County
Explore Lake Billy Chinook Metolius Arm across LakeGrade
More Oregon Lake Rankings
Other Grade B Lakes in Oregon
Mesotrophic Lakes in Oregon
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2021-10-20
Monitoring stations: 1