South Fork Holston River Lake is a mesotrophic lake in Sullivan County, Tennessee. Water quality is graded A based on 1 sampling years through 2022. Compared to the 1 other monitored lakes in Sullivan County, South Fork Holston River Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Tennessee DNR, last sampled 2022-07-05. 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. Phosphorus level: 13.8 µg/L. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 13.8 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near South Fork Holston River Lake
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Fishing South Fork Holston River Lake
Location
County Ranking
Ranked #1 of 2 lakes in Sullivan County
Nearby Lakes in Sullivan County
Explore South Fork Holston River Lake across LakeGrade
More Tennessee Lake Rankings
Other Grade A Lakes in Tennessee
Mesotrophic Lakes in Tennessee
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: 2022-07-05
Monitoring stations: 1