Desoto Lake is a productive, nutrient-rich eutrophic lake in Phillips County, Arkansas. Water quality is graded F based on 3 sampling years through 2024. Compared to the 1 other monitored lakes in Phillips County, Desoto Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2024-10-31. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 1.6 ft of visibility. Phosphorus level: 75 µg/L. Chlorophyll-a: 44.1 µg/L. Trophic State Index: 68.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 ft | F |
| Phosphorus | 75 µg/L | D |
| Chlorophyll-a (Algae) | 44.1 µg/L | F |
| Trophic State Index (TSI) | 68 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Desoto Lake
Location
County Ranking
Ranked #2 of 2 lakes in Phillips County
Nearby Lakes in Phillips County
Explore Desoto Lake across LakeGrade
More Arkansas Lake Rankings
Other Grade F 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: 2024-10-31
Monitoring stations: 1