Lake Sequoyah is a productive, nutrient-rich eutrophic lake in Washington County, Arkansas. Water quality is graded F based on 1 sampling years through 2024. Compared to the 10 other monitored lakes in Washington County, Lake Sequoyah ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2024-07-04. 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 2.5 ft of visibility. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Sequoyah
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Fishing Lake Sequoyah
Location
County Ranking
Ranked #10 of 11 lakes in Washington County
Cleaner Lakes Within 30 Miles
Lake Sequoyah holds Grade F. 5 nearby lakes hold higher grades.
- BLake WilsonWashington County · 5.6 mi · Two grade letters higher (F → B)
- CBeaver LakeBenton County · 13.3 mi · Two grade letters higher (F → C)
- CLake SequoyahWashington County · 1 mi · Two grade letters higher (F → C)
- CLake ElmdaleWashington County · 13.2 mi · Two grade letters higher (F → C)
- DLake FayettevilleWashington County · 7.1 mi · Higher grade (F → D)
Nearby Lakes in Washington County
Explore Lake Sequoyah across LakeGrade
More Arkansas Lake Rankings
Other Grade F Lakes in Arkansas
Madison County · Clarity: 3.3 ft
Logan County · Clarity: 1.5 ft
Faulkner County · Very Poor
Faulkner County · Clarity: 2.7 ft
Pulaski County · Clarity: 2.8 ft
Pulaski County · Clarity: 2.9 ft
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: 2024-07-04
Monitoring stations: 1