Shelby Lake is a highly nutrient-loaded hypereutrophic lake in Shelby County, Kentucky. Water quality is graded F based on 1 sampling years through 2022. Compared to the 3 other monitored lakes in Shelby County, Shelby Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Kentucky DNR, last sampled 2022-09-01. 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
No clarity data. Phosphorus level: 138 µg/L. Trophic State Index: 75.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 138 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 75 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Shelby Lake
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Fishing Shelby Lake
Location
County Ranking
Ranked #4 of 4 lakes in Shelby County
Cleaner Lakes Within 30 Miles
Shelby Lake holds Grade F. One nearby lake has a higher grade.
Nearby Lakes in Shelby County
Explore Shelby Lake across LakeGrade
More Kentucky Lake Rankings
Other Grade F Lakes in Kentucky
Hypereutrophic Lakes in Kentucky
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: 2022-09-01
Monitoring stations: 2