Emigrant Lake is a mesotrophic lake in Jackson County, Oregon. Water quality is graded A based on 1 sampling years through 2025. Compared to the 11 other monitored lakes in Jackson County, Emigrant Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Oregon DNR, last sampled 2025-10-02. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
No clarity data. Chlorophyll-a: 3.3 µg/L. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3.3 µg/L | A |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Emigrant Lake
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Fishing Emigrant Lake
Location
County Ranking
Ranked #4 of 12 lakes in Jackson County
Nearby Lakes in Jackson County
Explore Emigrant Lake across LakeGrade
More Oregon Lake Rankings
Other Grade A 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: 2025-10-02
Monitoring stations: 1