Tennessee River Lake is a productive, nutrient-rich eutrophic lake in Jackson County, Alabama. Water quality is graded C based on 1 sampling years through 2026. Compared to the 1 other monitored lakes in Jackson County, Tennessee River Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Alabama DNR, last sampled 2026-06-10. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 6.5 ft. Phosphorus level: 35.6 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.5 ft | C |
| Phosphorus | 35.6 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 53 | 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 #2 of 2 lakes in Jackson County
Nearby Lakes in Jackson County
Explore Tennessee River Lake across LakeGrade
More Alabama Lake Rankings
Other Grade C Lakes in Alabama
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: 2026-06-10
Monitoring stations: 1