South Fourche Lake is a productive, nutrient-rich eutrophic lake in Perry County, Arkansas. Water quality is graded D based on 1 sampling years through 2020. Compared to the 3 other monitored lakes in Perry County, South Fourche Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2020-08-08. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 4.1 ft. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.1 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near South Fourche Lake
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Fishing South Fourche Lake
Location
County Ranking
Ranked #2 of 4 lakes in Perry County
Cleaner Lakes Within 30 Miles
South Fourche Lake holds Grade D. 4 nearby lakes hold higher grades.
Nearby Lakes in Perry County
Explore South Fourche Lake across LakeGrade
More Arkansas Lake Rankings
Other Grade D 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: 2020-08-08
Monitoring stations: 1