Dewey Lake is a productive, nutrient-rich eutrophic lake in Floyd County, Kentucky. Water quality is graded C based on 1 sampling years through 2017.
Source: EPA Water Quality Portal sampling records, Kentucky DNR, last sampled 2017-10-04. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
No clarity data. Phosphorus level: 26 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 26 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Dewey Lake
Location
County Ranking
Ranked #1 of 1 lakes in Floyd County
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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: 2017-10-04
Monitoring stations: 3