Swepco Lake is a productive, nutrient-rich eutrophic lake in Benton County, Arkansas. Water quality is graded D based on 2 sampling years through 2012. Compared to the 13 other monitored lakes in Benton County, Swepco Lake ranks #12 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2012-09-10. 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
No clarity data. Phosphorus level: 70.5 µg/L. Chlorophyll-a: 25.5 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 70.5 µg/L | D |
| Chlorophyll-a (Algae) | 25.5 µg/L | D |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Swepco Lake
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Fishing Swepco Lake
Location
County Ranking
Ranked #12 of 14 lakes in Benton County
Cleaner Lakes Within 30 Miles
Swepco Lake holds Grade D. 3 nearby lakes hold higher grades.
- BLake WeddingtonWashington County · 14.2 mi · Two grade letters higher (D → B)
- BLoch Lomond LakeBenton County · 19.8 mi · Two grade letters higher (D → B)
- CLake ElmdaleWashington County · 18.4 mi · Higher grade (D → C)
Nearby Lakes in Benton County
Explore Swepco 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: 2012-09-10
Monitoring stations: 1