Fesenthal Lake is a productive, nutrient-rich eutrophic lake in Union County, Arkansas. Water quality is graded C based on 2 sampling years through 2023. Compared to the 1 other monitored lakes in Union County, Fesenthal Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2023-05-16. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
No clarity data. Phosphorus level: 60 µg/L. Chlorophyll-a: 7.9 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 60 µg/L | D |
| Chlorophyll-a (Algae) | 7.9 µg/L | B |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Fesenthal Lake
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Fishing Fesenthal Lake
Location
County Ranking
Ranked #1 of 2 lakes in Union County
Cleaner Lakes Within 30 Miles
Fesenthal Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Union County
Explore Fesenthal Lake across LakeGrade
More Arkansas Lake Rankings
Other Grade C Lakes in Arkansas
Eutrophic Lakes in Arkansas
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: 2023-05-16
Monitoring stations: 1