Grayson Lake is a mesotrophic lake in Carter County, Kentucky. Water quality is graded B based on 1 sampling years through 2017. Compared to the 1 other monitored lakes in Carter County, Grayson Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Kentucky DNR, last sampled 2017-10-17. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
No clarity data. Phosphorus level: 15.5 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 15.5 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Grayson Lake
Location
County Ranking
Ranked #2 of 2 lakes in Carter County
Cleaner Lakes Within 30 Miles
Grayson Lake holds Grade B. One nearby lake has a higher grade.
Nearby Lakes in Carter County
Explore Grayson Lake across LakeGrade
More Kentucky Lake Rankings
Other Grade B Lakes in Kentucky
Mesotrophic 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: 2017-10-17
Monitoring stations: 3