Tennessee River Lake is a productive, nutrient-rich eutrophic lake in Hamilton County, Tennessee. Water quality is graded B based on 1 sampling years through 2026. Compared to the 3 other monitored lakes in Hamilton County, Tennessee River Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Tennessee DNR, last sampled 2026-06-16. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 5.4 ft. Phosphorus level: 22.8 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.4 ft | C |
| Phosphorus | 22.8 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Tennessee River Lake
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Fishing Tennessee River Lake
Location
County Ranking
Ranked #1 of 4 lakes in Hamilton County
Nearby Lakes in Hamilton County
Explore Tennessee River Lake across LakeGrade
More Tennessee Lake Rankings
Other Grade B Lakes in Tennessee
Eutrophic 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: 2026-06-16
Monitoring stations: 1