Lake Sequoyah is a productive, nutrient-rich eutrophic lake in Washington County, Arkansas. Water quality is graded C based on 2 sampling years through 2023. Compared to the 10 other monitored lakes in Washington County, Lake Sequoyah ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2023-03-28. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
No clarity data. Phosphorus level: 40 µg/L. Chlorophyll-a: 24.6 µg/L. Trophic State Index: 60.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 40 µg/L | C |
| Chlorophyll-a (Algae) | 24.6 µg/L | D |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Sequoyah
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Fishing Lake Sequoyah
Location
County Ranking
Ranked #7 of 11 lakes in Washington County
Cleaner Lakes Within 30 Miles
Lake Sequoyah holds Grade C. 2 nearby lakes hold higher grades.
- BLake WilsonWashington County · 6 mi · Higher grade (C → B)
- CBeaver LakeBenton County · 12.5 mi · Higher overall water quality score
Nearby Lakes in Washington County
Explore Lake Sequoyah 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: 2023-03-28
Monitoring stations: 1