Lake Athens is a productive, nutrient-rich eutrophic lake in Henderson County, Texas. Water quality is graded B based on 2 sampling years through 2025. Compared to the 2 other monitored lakes in Henderson County, Lake Athens ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2025-09-30. 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 5.9 ft. Phosphorus level: 20 µg/L. Chlorophyll-a: 13.7 µg/L. Trophic State Index: 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.9 ft | C |
| Phosphorus | 20 µg/L | B |
| Chlorophyll-a (Algae) | 13.7 µg/L | C |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Athens
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Fishing Lake Athens
Location
County Ranking
Ranked #1 of 3 lakes in Henderson County
Nearby Lakes in Henderson County
Explore Lake Athens across LakeGrade
More Texas Lake Rankings
Other Grade B Lakes in Texas
Eutrophic Lakes in Texas
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: 2025-09-30
Monitoring stations: 1